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July 2014 · Energy-Tech Magazine
Saturday June 1, 2013
ASME: Applications and benefits of RAM
Brian M. Wodka, P.E.
Saturday June 1, 2013

A new standard from ASME was recently released for public review regarding reliability, availability and maintainability (RAM) of power plants. This article will discuss the current status of the standard, as well as answer some common questions about ...

Looking long-term
Andrea Hauser
Saturday June 1, 2013

Do you have plans scheduled for June 2014? Considering the prevalence of electronic calendars in our phones and computers, it’s likely that you have some dates autopopulated a year from now, but how far into the future have you consciously scheduled ...

New pocket field manual for bearing inspection
Grant Lanthorn
Saturday June 1, 2013

The Electric Power Research Institute published a new field guide to help plant personnel identify bearing damage and determine the best means to address it. The guide, entitled Field Guide: Bearing Damage Mechanisms, is the latest in a series of ...

By Goldhofer, barge and tugboat – Calvert Cliffs 1 Project
Tim Lorentz
Saturday June 1, 2013

Alstom delivered a completely refurbished, re-insulated, tested, balanced and inspected 183-ton GE rotor generator to Calvert Cliffs Nuclear Power Plant in 27 days, including transportation. The success of the project is attributed to strong contingency ...

Tuesday May 14, 2013
Do you TED? Here’s one on microgrids
Andrea Hauser
Tuesday May 14, 2013

The May issue of Energy-Tech featured an article on microgrid planning and technology. Want to learn more? Check out this TEDx talk in Black Rock City. Everyone’s in beach wear and the stage is a little wild, but the presentation is still interesting. ...

Wednesday May 1, 2013
Power plant wastewater treatment and NPDES compliance: The future in motion
Brad Buecker
Wednesday May 1, 2013

In the second of the original Star Wars films, “The Empire Strikes Back”, at one point Yoda says, “Always in motion is the future.” Such is the case of the power industry on many different fronts.

One of these involves ...

Successful outage service
Safe, on time, within budget
Erika Ruth and Warren Friedersdorf
Wednesday May 1, 2013

In the fall of 2012, Alstom’s Turbine and Generator Services and APCom divisions successfully provided a broad, and somewhat unique, variety of field services to PPL Generation’s Brunner Island Unit 1. As a construction management company, ...

ASME: Rooftop solar electric generator project
Jack Robinson, Jr., PE, and Robert J. Durscher, PE
Wednesday May 1, 2013

In 2011, SCE&G personnel had the unique opportunity and challenge to utilize core processes and expertise in meeting BSC’s business need to build a large solar generator on the rooftop of a new Dreamliner aircraft final assembly building ...

Monday April 1, 2013
Slashing time on 16-point turbine coupling alignment checks
Daus Studenberg
Monday April 1, 2013

Laser system with Continuous Sweep allows turbine coupling checks with two measurements to be completed in as little as 6 minutes instead of 6 hours. The time savings can be further increased by using multiple laser systems for each coupling and having ...

ASME: Current technology for power plant makeup water treatment and wastewater recovery
Brad Buecker
Monday April 1, 2013

The availability of fresh water for power plant makeup and cooling continues to decline. In addition, environmental regulators are placing tighter limitations on the methods by which water is obtained and discharged for and from industrial processes. ...

Cooling towers: Modern concepts
Brad Buecker
Monday April 1, 2013

I recently attended the annual Cooling Technology Institute (CTI) winter meeting. This latest gathering of world-class cooling system experts again offered up-to-date information on cooling tower issues, particularly with regard to design, operation ...

Friday March 1, 2013
Make those summer plans now
Friday March 1, 2013

Spring is right around the corner – do you know what you’re doing this summer? As you make vacation reservations, plan home improvement projects and think about a couple long-weekend trips, don’t forget to register for the 2013 ASME ...

ASME: Fluidized bed reheat processes for biomass power plant applications
Eero T. Ikäheimonen, Seppo K. Hulkkonen, Peter C.E. Fabritius, Esa-Pekka J. Kapanen and Timo Bungert
Friday March 1, 2013

Introduction
Fluidized bed combustion for biomass
When generating steam with bio-power applications, such as boilers combusting biomass, the quality of the fuel may become a challenge. Biomass fuel tends to be non-homogenous ...

Faster repairs possible with generator rotor shaft section welds
John Jensen
Friday March 1, 2013

In this day and age, power plants often face many challenges, including the age and degradation of their equipment. Generators might be condemned due to operating events that lead to major damage.  When this happens, options and answers can be ...

Improving layup practices for fossil plants
James Mathews
Friday March 1, 2013

In today’s utility business environment, utility planners, operators and chemists face special challenges in providing equipment protection during plant layups.

In many plants, equipment is aging and more vulnerable to damage. An increasing ...

Friday February 8, 2013
What do you know about the Power Generation Challenge?
Friday February 8, 2013

The power generation industry has numerous changes to face in the coming years, and Steven Remillard wants to help industry professionals prepare.

As vice president for Competitive Power Ventures, Remillard will be sharing his ideas about ...

Wednesday February 6, 2013
ASME: Repair of pressure boundary and structural components with composites
John A. Charest
Wednesday February 6, 2013

Deterioration of components and structures at power generating facilities has caused unscheduled plant outages, personnel safety concerns and significant impact on operating budgets. However, a new technology is available that can increase the usable ...

Friday February 1, 2013
Take on the challenge
Friday February 1, 2013

The power generation industry continues to work to prepare and adapt to changes in energy needs and environmental concerns, and Steven Remillard has ideas that can help industry professionals prepare.

Remillard will be sharing his ideas during ...

Approach to feedwater heater corrective maintenance
Mike Catapano and Eric Svensson
Friday February 1, 2013

In the April 2012 issue of Energy-Tech magazine, we wrote about the importance of developing a long-term life-cycle management program for your Feedwater Heaters (FWH). That article stressed that the utility must be committed to periodic condition ...

Solution Suggestions: Warehouse and inventory management
Jessica Vail
Friday February 1, 2013

As a maintenance or engineering manager, you’re constantly planning outages and routine maintenance, and more than likely ordering similar parts each time. That being said, it might be in the best interest of your budget and schedule to undergo ...

Wednesday January 16, 2013
Don't miss Energy-Tech's next webinar!
Sign up for Important Concepts of Steam Generator Chemistry Control
Wednesday January 16, 2013

Don't miss Energy-Tech magazine's upcoming free webinar - Important Concepts of Steam Generator Chemistry Control - Feb. 28 at 1 p.m. CST.

Energy-Tech contributor Brad Buecker will discuss issues regarding steam generation chemistry and corrosion ...

Tuesday January 15, 2013
Maximizing steam turbine/compressor performance with precise torque monitoring at the coupling
Daniel Phillips, Trevor Mayne and Mark Ellul
Tuesday January 15, 2013

All turbo machinery is subject to degradation that, with time, will affect the system’s efficiency and operational performance. Precise monitoring of turbo machinery performance with continuous torque-monitoring systems can be used to identify ...

Monday January 14, 2013
Retrofits and rebuilds
Gary Golden
Monday January 14, 2013

The RR (Retrofit and Rebuild) reality of the power industry can be as frustrating as it can be rewarding. Without proper preparation and experienced personnel, it will be more frustrating. For all the outages on a power plant unit, more than 2/3 of ...

When training, know your objectives
Harold Parker
Monday January 14, 2013

In the late 1960s, I was studying mechanical engineering at the Lawrence Institute of Technology in Southfield, Mich., and had to take some basic courses in electrical engineering – I disliked every moment. Occasionally I was told I needed to ...

Wednesday December 19, 2012
Let’s be friends!
Wednesday December 19, 2012

Are you on Facebook? Do you read Energy-Tech magazine? Did you know that Energy-Tech is on Facebook?! Let your Facebook friends know you “Like” us by

Saturday December 1, 2012
Optimizing condenser tube life with non-destructive testing
Jeffrey Gamza
Saturday December 1, 2012

Non-destructive testing is an effective way to determine the lifespan of your condenser and heat exchanger tubes. The results are analyzed and discontinuities or anomalies can be categorized and reported by defect type and depth. This provides management ...

Evaluate steam turbine control valve seat interference fits during overhauls
Stephen R. Reid, PE
Saturday December 1, 2012

Introduction
Control and governor valves operate under severe service conditions. Exposure to high temperatures, erosion, water induction and low- and high-cycle fatigue can significantly reduce valve life. Valve seat and/or ...

ASME: Main generator life cycle management
Arun Puri and John DiBiase
Saturday December 1, 2012

The Ginna Nuclear Power Plant began commercial operation in 1970. Two power uprates have been completed during the 40+ years of operation, and the original main generator continues to provide highly reliable operation with no significant changes to ...

Thursday October 11, 2012
Sign up for Energy-Tech's free Dec. 6 webinar
Maximizing Power Generating Assets with Performance Improvement, with Komandur Sunder Raj
Thursday October 11, 2012

Power plant owners have been monitoring the performance of power plant processes, equipment and instrumentation for several years. In recent years, however, they have been increasingly confronted with several challenges in maximizing the value of ...

Monday October 1, 2012
Operating and maintaining water-cooled generator stators
Jan Stein, Electric Power Research Institute
Monday October 1, 2012

The stator cooling water system is one of the most critical systems in a modern power plant. A number of challenges, however, confront the reliable operation and maintenance of these systems.
Copper corrosion products can plug the hollow strands ...

State-of-the-art steam surface condenser technology
Komandur Sunder Raj
Monday October 1, 2012

A steam surface condenser directly impacts the capacity, availability, reliability and performance of a power plant. The condenser is called upon to perform reliably under some very demanding conditions. Besides maintaining the correct vacuum ...

ASME: Increasing boiler efficiency through intelligent combustion optimization
Dr. Sudha Thavamani, Dr. Matthias Behmann and Till Spaeth
Monday October 1, 2012

Power generation companies have to seek more superior and sophisticated technologies to facilitate gaining an edge on competitors due to continually rising demands by environmental and governmental authorities and consumers. One of the most cost-effective ...

Tuesday September 18, 2012
Share your knowledge – submit an abstract for the 2013 ASME Power Conference
Tuesday September 18, 2012

The ASME 2013 Power Conference is accepting abstract submissions until Dec. 15. Take this opportunity to engage in the latest operating, maintenance and equipment issues with power generation experts. Learn about cutting-edge technology to improve ...

Attend the Power Plant Management Conference, Oct. 15-16
Tuesday September 18, 2012

Find solutions that will turn into results for your power generation facility during this two-day conference, Oct. 15-16, in Wheeling, Ill. For more information, click here.

Saturday September 1, 2012
Online monitoring – doing more, efficiently
Komandur Sunder Raj
Saturday September 1, 2012

Intense competition, consolidation of power plant ownership and fleets, doing more with less – these are all factors that have created a need to manage and maximize the value of power generating assets. Using real-time process data for each ...

ASME: Solar receiver steam generator design for the Ivanpah Solar Electric Generating System
Andrew R. Plotkin, Kevin M. Toupin, Craig B. Gillum, Robert J. Rancatore, Tianliang Yang, Ph.D., Diego Mier
Saturday September 1, 2012

The movement for energy independence, coupled with aggressive renewable energy goals and government investment incentives, has led the power industry to develop efficient and reliable sources of renewable power. Development of Solar Power Tower (SPT) ...

Thursday August 30, 2012
Quantifying the cost of unplanned outage events for combined-cycle plants
Thursday August 30, 2012

Unexpected outages of combined-cycle plants can result in high costs for repair and replacement, reduce plant availability and cause a loss in net revenue. Although plants might be able to estimate cash flow requirements for scheduled maintenance ...

Wednesday August 1, 2012
ASME: Technical challenges of retubing the Électricité de France (EDF) Belleville Unit 2
Merwin W. Jones, PE, Kim M. Massey and David Voisin
Wednesday August 1, 2012

Belleville Nuclear Plant is a PWR operated by Électricité de France (EDF). Since beginning commercial operation in 1989, it has been rated at a nominal capacity of 1,300 MW. The turbine unit consists of one high pressure (HP) and three ...

Redesigned transfer chutes, load zones reduce dust, spillage at Westar Energy
Jim Densberger
Wednesday August 1, 2012

Westar Energy is the largest electric utility in Kansas, with 19 energy centers providing 7,100 MW of generating capacity to serve more than 689,000 customers. The firm employs about 2,400 people and operates approximately 35,000 miles of transmission ...

Pitfalls of using oil rings as a lubricant delivery mechanism in pump bearings
Heinz P.Bloch, P.E.
Wednesday August 1, 2012

Bearing topics and lubricant application topics overlap in process pumps. The main issue is that not all pumps are designed and sold with provisions ensuring that lubricant is consistently reaching the bearings.1 Many pumps will benefit ...

Thursday July 12, 2012
ASME: Investigation on flame characteristics of oxy-fuel combustion
Bidhan Dam, MD Islam, Norman Love and Ahsan Choudhuri
Thursday July 12, 2012

Oxy-fuel combustion, the burning of a fuel in the presence of oxygen instead of air, has been used previously and shows promise for becoming a successful post-combustion CO2 capture technique. It is currently being considered by the U.S. ...

Possible alternative to linear variable differential transformers
Justin Thibault
Thursday July 12, 2012

Results of a two-year field demonstration, sponsored by the Electric Power Research Institute, indicate that magnetostrictive sensors might provide a possible alternative to linear variable differential transformers (LVDTs) for monitoring turbine ...

“Co-fire pellets” for emissions reduction and renewable energy generation
Andrew Friend
Thursday July 12, 2012

According to a report from the Environmental Integrity Project (EIP), carbon dioxide emissions from power plants rose 5.56 percent in 2010 compared to the prior year, the biggest annual increase since the Environmental Protection Agency began tracking ...

Tuesday June 19, 2012
Warranties and the manufacturer
Tony Giampaolo
Tuesday June 19, 2012

Some problems are inherent in the design, and these fall squarely on the shoulders of the manufacturer.

As a rule of thumb, a problem that becomes evident during the first 12 months of operation will be covered under the manufacturer’s ...

Friday June 1, 2012
Detectable problems in compressors
Tony Giampaolo
Friday June 1, 2012

Compressors, either dynamic or positive displacement, can experience a variety of problems, but there are relatively few diagnostic tools to identify them.

Except in cases where vibration is the issue, a thermodynamic analysis of a compressor ...

Bring on the burners
Creative solutions help cut costs and reduce boiler downtime
Natalie M. Smith
Friday June 1, 2012

In a perfect world, fuel is plentiful, costs are predictable and boiler systems run smoothly. The real world, however, paints a very different picture, and much of the time fuel is the culprit. For non-utility sized projects (under 10 MWe or steam/heat-only ...

Recording system reliability and availability optimization in the power generation industry
K. Hutchison, M. Raza, V. Chandramouli
Friday June 1, 2012

This paper introduces the concepts of reliability engineering applied in the power industry, with a special focus on recording and treatment of event data from the field operated plants. It initiates with Section II that gives details of the data ...

Tuesday May 1, 2012
Impaired water usage for heat exchanger cooling – a continuing, urgent prospective
Dennis Schumerth
Tuesday May 1, 2012

A 2011 survey by Black & Veatch identified command and control of the world’s water supply as the top environmental concern. This water sourcing concern also was expressed recently by the NETL (National Energy Technical Lab) during the 2011 ...

Optimizing coal-fired power plant performance
Komandur Sunder Raj
Tuesday May 1, 2012

Two key initiatives are being used to optimize the performance of coal-fired power plants – performance management using performance data, and environmental management using technological innovations.

Consistent with historical trends, ...

ASME: Advanced combined cycle systems based on methanol indirect combustion
Shimin Deng and Rory Hynes
Tuesday May 1, 2012

1 Introduction
The methanol economy has been advocated since the 1990s. Methanol has been suggested as a potential replacement for fossil fuels in energy storage, as fuel and as raw material for synthetic hydrocarbons and their ...

Tuesday April 17, 2012
Optimizing the application of direct electric heat exchangers in energy processes
Dennis Long
Tuesday April 17, 2012

Direct Electric Heat Exchangers, aka circulation heaters, are used in a variety of applications. They are used to heat gases like nitrogen, hydrogen and hydrocarbons, as well as liquids such as water, oils, acids, solutions and other fluids.

DEHE’s ...

Wednesday April 4, 2012
Take good care of your feedwater heaters
Mike Catapano and Eric Svensson
Wednesday April 4, 2012

In the April 2011 issue of Energy-Tech Magazine, we wrote about the importance of conducting Quality Assurance (QA) checks when replacing a feedwater heater. Assuming a properly specified and conservative design for the full range of load imposition, ...

Fabrication guidelines help reduce problems with Grade 91 steel components
Jonathan Parker and Kent Coleman
Wednesday April 4, 2012

The steel alloy known as Grade 91 has achieved broad acceptance within the modern power industry for use in fabricating a variety of critical pressure part components, including tubing, piping and headers. As with all of the creep strength-enhanced ...

ASME: Comparison between air blows and gas blows for cleaning power plant fuel gas piping systems
Hoc Phung, Gary Jones and Norman K. Smith
Wednesday April 4, 2012

Gas blows have been used in the power industry to clean fuel gas lines during the plant commissioning process, but this practice is being seriously evaluated and reconsidered by regulatory agencies and public safety organizations due to fire and explosion ...

Tuesday March 20, 2012
Simplifying the design of complex piping supports
Unique software program allows engineers and architects to plan and design a pipe support system within minutes
Tuesday March 20, 2012

The extensive pipe systems found throughout industry are reliant on complex pipe support chains to provide the control and stability necessary for them to ensure system functionality, safety and longevity.

Whether for refinery, petrochemical, ...

Thursday March 1, 2012
Understanding the impact of operating with low feedwater heater levels
Jonathan Hicks, Greg Alder and Iver Jacabson
Thursday March 1, 2012

Operating feedwater heaters without paying attention to proper heater level is sort of like operating your car without keeping track of the air pressure in the tires. Things will seemingly be just fine, but if the air pressure is not correct the car ...

Wastewater treatment methods for combined-cycle and coal plant operators alike
Brad Buecker
Thursday March 1, 2012

Control of power plant wastewater streams continues to grow in importance. In part, the issue is being driven by pending 316a (protection of aquatic creatures from thermal discharge) and 316b (protection of aquatic creatures from impingement and entrainment ...

Steam generator for advanced ultra-supercritical power plants 700°C to 760°C
Paul S. Weitzel, PE
Thursday March 1, 2012

Thermal efficiency improvement for economic gain has been an important engineering endeavor for more than 250 years. A few examples: The Newcomen steam engine appeared in 1750 and attained 0.5 percent efficiency [1]. James Watt patented improvements ...

Wednesday February 1, 2012
Torsional vibration concerns on large nuclear and fossil steam turbine generator retrofits
Stephen R. Reid
Wednesday February 1, 2012

Based on a recent assessment of nuclear and fossil generating stations in Europe, TG Advisers identified various levels of torsional vibration concerns in more than 25 units. This was a surprising result considering the relatively long and successful ...

Field trials of nanocoatings to prevent erosion damage in steam turbine valves
John Shingledecker
Wednesday February 1, 2012

Damage in steam turbine valve stems is attributed to erosion from the impingement of spalled oxides present in the high-temperature flowing steam environment. Utilities and turbine engineers currently are managing the erosion and damage issues through ...

Cooling tower fill selection
Brad Buecker and Rich Aull
Wednesday February 1, 2012

Efficient heat transfer in cooling towers is vital for maintaining optimum performance. Cooling tower process optimization is influenced by many factors, with one of the most important being selection of the proper fill. Two interrelated critical ...

Potential department interface issues in a flow accelerated corrosion program
Donald G. Gusso
Wednesday February 1, 2012

Flow Accelerated Corrosion (FAC) is a fundamental problem for nuclear, fossil and combined-cycle power plants that can result in the loss of power generation, damage to equipment and personnel injury. These documented events and failures have attracted ...

Tuesday January 17, 2012
Retrofit of pulverized coal-fired boiler includes unique abrasion resistant pipe
Contributed by Power PR
Tuesday January 17, 2012

 

Originally installed in the late 1950s, a national electric power generation plant’s pulverized coal-fired boiler system was in need of a retrofit. The task at hand was the replacement of the steel piping system used to convey ...

Sunday January 1, 2012
Electromagnetic interference evaluation of plant assets
Knowing what components do not need maintenance is just as important as knowing where resources should be focused. EMI diagnostics can be used to prioritize condition-based maintenance activities for motors, generators, transformers and other plant assets
James E. Timperley
Sunday January 1, 2012

Deregulation of the global energy market has required power producers to reduce operations and maintenance expenses while simultaneously ensuring high availability and reliability. It is no longer a cost plus business. Availability is directly related ...

Improving power plant productivity by applying lessons learned
Alan Grunsky
Sunday January 1, 2012

Responsibility for keeping power plants running falls directly on the shoulders of plant personnel, so they need to understand what can go wrong, receive information on the current condition of the equipment, and fix things when equipment fails or ...

ASME: The value of demand response to mitigate wind integration costs in a smart grid
Nikhil Kumar and Steven A. Lefton
Sunday January 1, 2012

In recent years, many utilities’ thermal generation units, particularly older coal-, oil- and gas-fueled units, have been forced to cycle – often on a daily shutdown or hourly load follow basis. This is partially because of the commissioning ...

Tuesday December 20, 2011
Getting serious about lubrication: Why many tracking methods fall short
Tuesday December 20, 2011

Industrial facilities often believe they have equipment lubrication covered with existing tools and systems — from spreadsheets to condition analysis to sophisticated preventive maintenance (PM) and corrective maintenance (CM) programs. However, ...

Thursday December 1, 2011
Modern mechanical and chemical treatment methods for maximizing steam generator performance
Brad Buecker
Thursday December 1, 2011

Diligent control of makeup water, process water/steam and cooling water quality is a critical aspect at steam generating plants. These fluids must be of proper chemical and physical makeup, and must be conditioned correctly to minimize or prevent ...

ASME: Steam turbine valve testing, inspection and maintenance to avoid turbine overspeed events
Kuda R. Mutama
Thursday December 1, 2011

When a main steam turbine valve fails to shut properly during an emergency turbine trip or normal shutdown, a turbine overspeed event can take place, resulting in catastrophic failure of the turbine and generator components; as well as endangering ...

Monday November 21, 2011
Using today’s design for tomorrow’s plant
Bob Allen
Monday November 21, 2011

Competitive market pressures continue to drive owners to cycle the present fleet of combined-cycle plants, and the trend is expected to increase. The variability of wind, solar and other renewable energy sources will continue to place greater demands ...

Tuesday October 18, 2011
Stop the squealing with bearing protection rings
Tuesday October 18, 2011

It seemed as though nothing could stop the squealing.

Not that the Monarch Cement Company’s huge ball mill wasn’t already loud. Powered by a 5,000-HP motor, it pulverizes 100 tons of clinker (a burned mixture of limestone and shale) ...

Saturday October 1, 2011
Outage guidelines for reliability improvement
Ray Chambers
Saturday October 1, 2011

It’s outage season – a time not only for scheduled repairs and maintenance, but also to assess those activities and look for areas of potential reliability improvement.

Outages represent the second largest expenditure (behind fuel) ...

Multi-jackbolt tensioners keep it tight
Allan Steinbock
Saturday October 1, 2011

A bolted joint is one of the most fundamental components to any piece of heavy machinery. It also can be one of the most problematic, especially when dealing with larger diameters found in compressor applications and the extreme forces trying to separate ...

Burner component upgrades for wall-fired coal burners – RPI results and experiences
Stephen W. Black and Murat Yaldizli
Saturday October 1, 2011

During the past two decades, reduction of NOX emissions in pulverized coal firing systems has become a high priority for environmental authorities after the Clean Air Act of 1990 and the Clean Air Interstate Rule (CAIR) were promulgated. ...

Thursday September 1, 2011
Workforce and training issues in the power industry
Komandur Sunder Raj
Thursday September 1, 2011

Introduction
During the course of the past decade, considerable discussions and studies have centered on the future of the power industry in coming to grips with the changing nature of its workforce. The challenges faced by the ...

Effectively managing power plant information
Gary Noce
Thursday September 1, 2011

In recent years, the Electric Power Research Institute and several utility members have taken steps to expand the capabilities of EPRI’s PlantView software. These new tools enable utilities to integrate and view plant data in ways that allow ...

ASME: Gasification: Eliminating risks associated with co-firing biomass
Thomas J. Paskach and John P. Reardon
Thursday September 1, 2011

Introduction
New EPA regulations, including new maximum allowable control technology (MACT) requirements for particulate matter, metals and acid gases – in addition to the possible regulation of carbon dioxide emissions ...

Tuesday August 16, 2011
Corrosion control coatings provide critical protection for power plant FGD systems
FGD system disabled due to corrosion corrected with vinyl ester coating
Tuesday August 16, 2011

One of the main problems that can put flue-gas desulfurization plants out of operation is corrosion.

Severe problems in FGD installations are caused when condensates of acids are formed, which accelerate pitting and crevice corrosion, particularly ...

Monday August 1, 2011
Carryover effects on cycle chemistry
Jim Mathews
Monday August 1, 2011

In business, a carryover of funds from one year to the next can be a good thing. But in the steam generating systems of conventional power and combined-cycle/heat recovery steam generator (HRSG) plants, carryover – any solid, liquid or vaporous ...

Assessing the condition and predicting the remaining life of operating fossil plant equipment
Bilal Dogan
Monday August 1, 2011

The aging of fossil power plants in the United States is placing an ever-increasing burden on owner-operators to make run/repair/replace decisions on equipment. Increasingly, these decisions require component-specific knowledge of certain material ...

ASME: Considerations for reviewing the effects of power uprates
Darren M. Nightingale
Monday August 1, 2011

Update:

 

Case studies and examples
Repowering of existing oil-fired power plant to combined cycle operation overview
A three unit power plant had a requirement to convert two ...

Monday June 13, 2011
Titanium power plant surface condenser tubing – 40 years and 600 million feet later
Titanium-tubed power plant surface condensers continue to provide corrosion-free service for more than 35 years
Dennis J. Schumerth
Monday June 13, 2011

 

Tell me more
Titanium was discovered by British scientist William Gregor in 1791 and named by Austrian chemist Martin Klaproth after the Titans – the first sons of the earth in Greek mythology. This “reddish ...

Wednesday June 1, 2011
Wind integration – System and generation issues
By Eugene R. Danneman P.E. and Stephen J. Beuning
Wednesday June 1, 2011

Intermittent availability of wind and solar power will require increased dispatch flexibility of conventional power plants to supply voltage support, frequency control, regulation and spinning reserves (ancillary services for regulation). Deep load ...

Human error reduction in fossil plants
By Wayne Crawford
Wednesday June 1, 2011

Reducing human error is recognized as a key factor in helping improve power generation asset availability and preventing safety-related events. However, the industry faces a challenge in understanding the steps that should be taken to bring about ...

Improving the performance, reliability and availability of steam turbine-generators
By Komandur Sunder Raj
Wednesday June 1, 2011

In June 2009 and May 2011, Energy-Tech discussed trends and initiatives in remote performance monitoring and power plant outages to maximize power plant capacity, availability, reliability and performance. This article continues the focus on improving ...

Tuesday May 17, 2011
Lubrication technology and application strategy for improved outdoor high voltage electrical equipment reliability
Gene M. Finner
Tuesday May 17, 2011

In his book, “Friction and Wear of Materials,” Ernest Rabinowicz estimated that roughly 70 percent of reduction in equipment usefulness with time results from machine surface degradation caused by wear or corrosion. Industry experts estimate ...

Sunday May 1, 2011
Power plant outages
Komandur Sunder Raj
Sunday May 1, 2011

In June 2009, Energy-Tech discussed trends and initiatives in Remote Performance Monitoring to maximize power plant capacity, availability, reliability and performance. This article focuses on managing and optimizing power plant outages for maximizing ...

Pocket-sized manuals for outage inspection and boiler tube failures
Kent Coleman and Bill Carson
Sunday May 1, 2011

The Electric Power Research Institute has published 4 new pocket field guides for power plant boilers and heat recovery steam generators. The guides review outage inspection procedures and the fundamentals of boiler tube failures for conventional ...

Hot windbox and combined cycle repowering to improve heat rate
Tarek A. Tawfik and Thomas P. Smith
Sunday May 1, 2011

An engineering study and cost estimate was conducted to assist a power plant in investigating repowering the existing boiler to reduce heat rate. The project involved the addition of one combustion turbine, whose exhaust will provide hot combustion ...

Tuesday April 19, 2011
Engineered coal chutes reduce maintenance, extend conveyor belt life
Contributed by Martin Engineering
Tuesday April 19, 2011

A high-volume coal transshipment terminal at the western edge of Lake Superior has eliminated material backups and reduced maintenance – while extending conveyor belt life – with custom-engineered transfer chutes. Designed and constructed ...

Friday April 1, 2011
Ensuring a quality feedwater heater
Mike Catapano and Eric Svensson
Friday April 1, 2011

When a feedwater heater is replaced, many companies choose to replace “in-kind.” While this might be a convenient option, the utility is not taking advantage of improvements in heat exchanger technology or utilizing state of the art designs. ...

Fossil FAC advisor helps utilities predict flow-accelerated corrosion
Darryl Glanton
Friday April 1, 2011

Flow-accelerated corrosion (FAC) is one of the key damage mechanisms in power plants, with the potential to present a major safety issue and to cause forced outages.

The Electric Power Research Institute has developed new software, called ...

Low cost options for NOx reduction in utility boilers
Gary Andes and Brandon Bell
Friday April 1, 2011

Historically, regulations governing NOX emission have been subject to continuously lower levels. To meet these regulations, upgrades must be implemented to control and reduce the formation of NOX. However, as boilers are continuously upgraded ...

Integrated exhaust system for simple cycle power plants
Dr. Mark A. Buzanowski and Sean P. McMenamin
Friday April 1, 2011

Introduction
One of the critical issues for gas turbine power plants is the treatment of exhaust gases to comply with laws restricting pollutants present in the gases emitted into the ambient atmosphere. A common, commercially ...

Tuesday March 22, 2011
Environmental challenges accelerate industry shift from wet-to-dry bottom ash solutions
Contributed by United Conveyor Corp.
Tuesday March 22, 2011

In light of recent high profile incidents surrounding ash pond failures, coal-fired power plants have faced heightened environmental and public scrutiny of ash handling practices. The industry now waits apprehensively for the EPA’s proposal ...

Tuesday March 1, 2011
PowerTrain to pay $2 million in engine settlement
Selling thousands of engines that failed to meet Clean Air Act Standards
Tuesday March 1, 2011

Plasma ignition technology for pulverized coal boilers
A competitive edge in pulverized coal power generation
Peter Vierboom, P. Christopher Hauck and Qinghua (Tim) Xie
Tuesday March 1, 2011

Plant managers are facing constantly increasing pressure for an improved bottom line with the existing installed capacity of coal plants. Challenges and regulatory train wrecks wait around each corner. Increasing stringency of environmental regulations ...

Modern concepts for cooling tower water treatment
Brad Buecker, Ray Post and Rich Aull
Tuesday March 1, 2011

The first two hyperbolic cooling towers erected in the U.S. in more than two decades are currently being constructed by Kiewet Power. This construction highlights the greater issue that many power plants will almost certainly have to switch from once-through ...

Good stewardship: The key to maintaining steam generator reliability and availability
John Arnold
Tuesday March 1, 2011

One of the basic tenants of engineering is good stewardship. As part of that duty, whether it is the efficient use of steel when designing a building, or the selection of materials for a replacement boiler superheater, an engineer’s role is ...

Tuesday February 15, 2011
Improving combustion control
Tunable diode laser analyzers optimize combustion with direct measurement of O2, CO and methane
Don Wyatt
Tuesday February 15, 2011

Combustion control has been evolving through the years due to demands for greater efficiency, increased capacity, reduced emissions and safer operation. As a result, simply measuring the amount of oxygen and/or carbon monoxide (CO) at a single point ...

Tuesday February 1, 2011
Implementation barriers for advanced process control applications in the power industry
Aaron Hussey
Tuesday February 1, 2011

The power generation industry has been slow to adopt certain advanced control applications (ACAs) like sequential automation, loop assessment and tuning, and advanced process control. Barriers include economic justification, perceptions that the technology ...

Condenser tube failures and their effect on steam generator corrosion
Brad Buecker
Tuesday February 1, 2011

In September 2010, I gave a webinar for Energy-Tech on the issues of scaling, fouling and air in-leakage in steam condensers and their effects on plant efficiency. The loss of heat transfer can be quite serious and can cost a plant hundreds of thousands ...

Manage the risk of turbine rotor failure
David Yates, Angelo Tarantino and Joop Kraijesteijn
Tuesday February 1, 2011

Introduction
Boresonic inspection methods began as early as 1959, when the General Electric Company (GE) became sensitive to the need for improvements to rotor inspections as rotor size, stresses and temperatures were rapidly ...

Saturday January 1, 2011
Biomass Products & Technology (BPT) BioPower Digital-Only Issue
Saturday January 1, 2011

Check out the December Biomass Products & Technology (BPT) BioPower Digital-Only Issue and read about:
 
   • Burning Biomass fuel: Considerations for the future
   • Biomass cogeneration
   ...

Wednesday December 1, 2010
ASME: A modified double reheat cycle
Sven Kjaer and Frank Drinhaus
Wednesday December 1, 2010

Background of the Master Cycle
During the 1980s and 1990s the former Danish power utilities Elsam and ENERGI E2 established a number of seawater-cooled, super-critical 400 MW power plants based on well-proven pulverized coal-fired ...

Understanding the potential of fleetwide monitoring
Aaron Hussey
Wednesday December 1, 2010

Unplanned and/or corrective maintenance of power industry equipment remains one of the most significant operations and maintenance expenses, sometimes resulting in unplanned outages and reduced financial margins due to increased replacement electricity ...

Considerations for utility plants transitioning to biofuels
Cliff Moss and Jim Doss
Wednesday December 1, 2010

There are many reasons the utility industry has been hesitant to convert from fossil fuel to biofuels.

While the properties of coal and its effect on equipment and power production levels are well known, the variations of biomass make handling ...

Friday October 1, 2010
Using outage season to STAMP, SPRUCE non-metallic expansion joints
Michael Eighmey
Friday October 1, 2010

The power industry’s spring and fall outage seasons can place considerable strain on personnel, equipment and, ultimately, the bottom line. Yet preventive maintenance requires these scheduled events to ensure piping systems are functioning safely ...

Using the latest advances in makeup water treatment
Mike Caravaggio
Friday October 1, 2010

Electric Power Research Institute (EPRI) research has demonstrated that water and steam purity are critical factors in minimizing availability losses associated with fossil-fueled steam and power generation systems. Impurities in water and steam can ...

Improvements in fuel flexibility and operating cost reduction at CSU Drake Station with Targeted In-Furnace Injection technology
James Towell, Tom Martinez, David Hightower, Richard Maxey, Gerry Snow, PE, Hector Gonzalez and Robert Rians
Friday October 1, 2010

Power generating stations are under continuous pressure to achieve maximum availability, highest efficiency and minimum environmental emissions at the lowest possible cost. In recent years, increased fuel flexibility has become more critical financially ...

Thursday September 16, 2010
Improvements in fuel flexibility and operating cost reduction at CSU Drake Station with Targeted In-Furnace Injection technology
Thursday September 16, 2010

These images accompany the article "Improvements in fuel flexibility  and operating cost reduction at CSU Drake Station with Targeted In-Furnace Injection technology" in the October 2010 print edition of Energy-Tech magazine.

Wednesday September 1, 2010
Maintenance tasks: Doing the best … cutting the rest
Justin Thibault and Tom Williams
Wednesday September 1, 2010

Today’s maintenance crews in U.S. fossil plants face aging equipment, limited resources, loss of expertise and increasing demands on availability. Given these constraints, plant managers are examining their maintenance programs for tasks that ...

Condensing efficiently using WSAC
Peter G. Demakos, PE
Wednesday September 1, 2010

One of the most important factors to the success of a power facility is its efficiency. Lean operation can lead to increased revenues and strong financial health. Using the right condensing technology can allow for more power to be sold through the ...

A green combined-cycle plant: From landfill to power
Walter I. Serbetci, Ph.D., PE and Greg S. Kindt, PE
Wednesday September 1, 2010

This paper is presented as a case study on one of the potential, efficient uses of landfill gas, or LFG, as a renewable energy source. It is based on the detailed design of a nominal 26 MWe gas turbine combined-cycle power plant, which will run solely ...

Monday August 16, 2010
The new paradigm: Rebuilding aging feedwater heaters on-line, with minimal downtime
Monday August 16, 2010

It used to be an old myth that rebuilding a feedwater heater took longer than installing a new replacement, or that it couldn’t be done with the unit in operation or on-line. Not any more. Today’s rebuilding companies can rebuild aging ...

Sunday August 1, 2010
Maintenance guides for fossil plants
Ray Chambers
Sunday August 1, 2010

Maintenance crews in fossil generating plants in the United States are responsible for solving the day-to-day issues of keeping aging equipment operating reliably without increasing maintenance-related O&M costs. When challenges arise, plant engineers ...

Wireless Internet plant security
Komandur Sunder Raj
Sunday August 1, 2010

In March 2009, Energy-Tech featured an introduction and discussed wireless technology applications in power plants. This companion article focuses on security issues related to power plant control systems, since these are especially vulnerable ...

Design methodology and valve sizing for heater drain systems
Casey Loughrin
Sunday August 1, 2010

Introduction
Heater drain systems in fossil and nuclear power plants have proven to be among the most complex systems to design due to the occurrence of two-phase flow phenomena. The overall performance of heater drain systems ...

Tuesday July 20, 2010
Carbon management project and electric power generation scorecard
Arnold Feldman, ASME; Veronika Rabl, IEEE; Haroon Kheshgi, AIME – SPE; Richard Wright, ASCE; Dale Keairns, AIChE
Tuesday July 20, 2010

The concept of a joint project within the United Engineering Foundation Founder Societies (ASME, AIChE, IEEE, ASCE, AIME) led to the Founder Society Technologies for Carbon Management Project in 2008. This initiative grew out of discussions and ...

Tuesday June 15, 2010
Water treatment strides at Madison Gas & Electric Co.
Tuesday June 15, 2010

Since January 2005, Dow Electrodeionization modules have provided leak-free, reliable performance at the Madison Gas and Electric Cogeneration power plant in Madison, Wis. Located on ...

Tuesday June 1, 2010
Economic value of cooling tower biocide treatment and sidestream filtration
Brad Buecker
Tuesday June 1, 2010

Condenser and auxiliary heat exchanger tube and cooling tower film fill fouling create difficulties that can cost a plant hundreds to thousands of dollars per day in lost efficiency. In extreme cases, solids deposition within cooling tower film fill ...

Improved safety of carbon-brush collector maintenance on turbine-generators retrofitted with on-line, removable plug-in brush holders
John H. Parslow
Tuesday June 1, 2010

This article is based on a 2005 technical paper written by Clyde V. Maughan, P.E., of Maughan Engineering Consultants titled: “Carbon-brush collector maintenance on turbine-generators.”

Carbon-brush collectors have ...

As change comes to the power generation industry, an engineered approach to reliability is more important than ever
Ronald M. Fluegge
Tuesday June 1, 2010

When U.S. electric utilities began deregulating in the 1990s, they reduced their focus on internal RAM monitoring and analysis in an effort to cut costs that did not contribute directly to the bottom line. Today, a new set of changes, from the entry ...

Monday May 17, 2010
Outage season modifications for improved efficiency
Allen Ray
Monday May 17, 2010

Many factors drive modern plants to make process equipment changes during outage season, and two of the most common are demands for increased production and process variable changes. Centrifugal fans and duct systems that are used throughout the power ...

Saturday May 1, 2010
Optimize turbine-generator inspections, maintenance overhauls
Gary Golden
Saturday May 1, 2010

For fossil power plants, planned outages represent the second largest expenditure behind fuel. In the current business environment, plant operators need practical information and tools to help them effectively use these outages to improve plant availability, ...

Better management of plant alarms
Wayne Crawford and Bill Hollifield, PAS
Saturday May 1, 2010

In some U.S. power plants, alarm systems designed to warn plant operators of abnormal operating conditions have become overburdened with insignificant alarms. These alarm systems do not provide alarms with proper priorities, and in some cases are ...

ASME: Hybrid-nuclear power: An unexpected energy solution
Michael F. Keller
Saturday May 1, 2010

America possesses hundreds of years of low-cost coal resources that are becoming increasingly unpopular due to climate-change concerns. The promise of the nuclear gas reactor also appears to remain out-of-reach as a result of technical and cost considerations, ...

Tuesday April 20, 2010
Coal and ash handling – Getting an edge in belt cleaning
Andy Marti
Tuesday April 20, 2010

In power plants, belt conveyors move coal to the boiler and ash from the boiler. These conveyors are a key part of keeping plants online and efficient. If the belts go down — or their performance is significantly impaired, plant output and efficiency ...

Thursday April 1, 2010
Automated repair of superheater and reheater tubing
Bill Carson
Thursday April 1, 2010

In power plant boilers, the superheater and reheater tubing is so closely spaced that when damage occurs maintenance crews usually have to spread the tubing pendants to gain access to the damage site and conduct welding repairs. The Electric Power ...

Safety and compliance for coal and ash combustible dust
Mark Collett and Ashok Dastidar, PhD, MBA
Thursday April 1, 2010

“With the National Emphasis Program, we will focus our efforts on the fire and explosion hazards that may exist at facilities where combustible dusts accumulate.”

– Jordan Barab, acting assistant secretary ...

ASME: Afton Generating Station, including unique hybrid cooling
Jack Groves, Todd Krankkala and Greg Nugent
Thursday April 1, 2010

The evolution of the Afton Project, located near Las Cruces, N.M., demonstrates one case-study response to the unprecedented demands placed on today’s electric utilities in completing projects to serve customers during periods of rapid market ...

Tuesday March 23, 2010
How ultrasound technology located low-level leaks in heat exchangers
Alan S. Bandes
Tuesday March 23, 2010

Ultrasonic leak detection has been used for a variety of applications ranging from energy reduction by locating compressed air leaks to quality assurance inspections, such as pinpointing wind noise and water leaks in automobiles. The secret to success ...

Monday March 1, 2010
Heat exchanger O&M practices
Mike Catapano and Eric Svensson
Monday March 1, 2010

The balance of plant (BOP) category of utility power plant heat exchangers is often overlooked when maintenance managers evaluate the need for preventive maintenance. The sound, reliable operation of the turbine, generator, pumps, fans, air compressors, ...

ASME: Fluidized bed technologies for biomass combustion
Aku Rainio
Monday March 1, 2010

Biomass, a renewable fuel source for generating energy, is available in large quantities in the U.S. Typical biomass consists of wood chips, construction and demolition wood, bark, residual logging debris, saw dust, paper rejects, and paper and sewage ...

Train well for long-term benefits
Alan Luedeking
Monday March 1, 2010

The importance of training is often given short shrift in industry, when it is in fact a vitally important profit center for the business. A well-trained employee gets the job done better, faster and cares more. An employee that has been well trained ...

Tuesday February 16, 2010
Alternative fuel applications ensure economic and environmental gains
By Normand Bujold
Tuesday February 16, 2010

Companies are increasingly exploring alternatives to fossil fuels, due to their high prices and stricter government regulations. Simply venting or flaring process by-products to the atmosphere no longer meets industries’ environmental and energy ...

Monday February 8, 2010
EPA Releases Electric Utility Plans to Improve Safety of Coal Ash Impoundments
Monday February 8, 2010

The U.S. Environmental Protection Agency released action plans developed by 22 electric utility facilities with coal ash impoundments, describing the measures the facilities are taking to make their impoundments ...

Monday February 1, 2010
ASME: Performance and operational issues at the Boardman Coal Plant
David A.T. Rodgers, P.E.
Monday February 1, 2010

Abstract
The keys to reliable and efficient coal-fired power plant operations are combustion and performance monitoring. For this to occur, plant staff needs to have adequate tools that help them make intelligent decisions. Success ...

EPRI targets CSEF steel life
New research project addresses life management of creep strength enhanced ferritic steel
Kent Coleman
Monday February 1, 2010

In recent years, damage has been found early in the life of creep strength enhanced ferritic (CSEF) steels, including Grade 91, used in the boiler tubes, piping and headers of fossil-fuel-fired and combined-cycle power plants. This discovery raised ...

Remote performance monitoring – A case study
Komandur Sunder Raj
Monday February 1, 2010

The June 2009 issue of Energy-Tech included a discussion of trends and initiatives in Remote Performance Monitoring, or RPM, to maximize power plant capacity, availability, reliability and performance (CARP). Using a case study, this article illustrates ...

Wednesday January 27, 2010
Hydraulic Institute seeks reviews for draft of updated ANSI/HI 1.4 installation, operation and maintenance
Wednesday January 27, 2010

The Hydraulic Institute, under the approval of the American National Standards Institute (ANSI), is seeking qualified individuals in North America to participate ...

Siemens receives nanotechnology-based R&D program award from Illinois Clean Coal Institute
Wednesday January 27, 2010

Siemens Energy was awarded an 18-month, $300,000 R&D program by the Illinois Clean Coal Institute to study the effects of coal and ...

Tuesday January 19, 2010
What’s the answer for nuclear costs?
What are the costs of new nuclear generation? Are they controllable? How should energy programs support them today?
J. K. August
Tuesday January 19, 2010

Introduction
Most energy forms get some sort of subsidy. Those that lack direct subsidies often get other forms of support, like special loans, special licenses on water flows or maybe grandfathered ...

Wednesday January 13, 2010
ASME abstract deadline extended to Jan. 15, 2010
Wednesday January 13, 2010

The deadline to submit an abstract for the ASME Power 2010 Conference has been extended to Jan. 15, 2010. The conference will be held July 13-15, 2010, in Chicago, Ill.

For more information, visit

Wednesday December 16, 2009
Cooling tower water systems utilize filtration to protect critical downstream equipment
Multi-element self-cleaning strainers provide continuous full stream protection with minimal backwashing or maintenance
Wednesday December 16, 2009
Cooling towers, an effective and common means for industrial process heat extraction, are not a closed-loop system. As a result, they are virtual vacuum cleaners for air and water-borne particulate that can foul downstream equipment like spray nozzles, ...
Tuesday December 15, 2009
Airlines sign memorandum of understanding setting framework for future purchase of certified synthetic jet fuel
Tuesday December 15, 2009

Rentech Inc. announced on Tuesday that it signed a Memorandum of Understanding ("MOU") with 13 domestic and international passenger and cargo carriers that is intended to serve ...

Monday December 14, 2009
Power plants continue to decrease SO2 emissions under EPA Cap and Trade Program
Monday December 14, 2009

The U.S. Environmental Protection Agency announced that power plants across the country decreased emissions of sulfur dioxide (SO2), a precursor to acid rain, to 7.6 million tons in 2008. Emissions ...

Thursday December 10, 2009
ASME Power Conference 2010 - Abstract deadline extended
Thursday December 10, 2009

The Abstract deadline for papers to be presented at the ASME Power Conference 2010 has been extended to Dec. 30, 2009. 

For more information about submitting a paper abstract and conference guidlines, click
Tuesday December 8, 2009
Department of Energy announces fellows program for Advance Research Energy Projects
Tuesday December 8, 2009

The Department of Energy's Advanced Research Projects Agency - Energy (ARPA-E) announced the creation of the ARPA-E Fellows Program at an event with Massachusetts Institute of Technology's ...

Thursday December 3, 2009
EPRI, Tri-state G&T and NV energy to demonstrate Solar Thermal hybrid power plants
Projects use solar power to augment natural gas and coal generation
Thursday December 3, 2009

The Electric Power Research Institute announced two Industry technology demonstration projects designed to help utilities add solar energy to fossil-fueled power plants that could result in reduced ...

Tuesday December 1, 2009
A cooling tower adventure in alignment
Alan Luedeking
Tuesday December 1, 2009

When an HVAC technician is called out to perform a shaft alignment on a cooling tower fan, it is always an adventure, and seldom a pleasant one. Numerous challenges are involved, not the least of which include the distance to be spanned, vibration ...

ASME: Simplified Morton Effect analysis for synchronous spiral instability
Dr. Brian T. Murphy and Joshua A. Lorenz
Tuesday December 1, 2009

It's been known for many years that thermal temperature gradients across a rotor can alter the amplitude and phase of synchronous vibration. This is due to bowing of the shaft caused by a temperature difference between one side of the shaft and the ...

A sound way of pipe testing
Acoustic pulse reflectometry, or APR, can precision-detect defects in pipes and tubes
Timothy Erdman
Tuesday December 1, 2009

In the presence of unconventional temperatures, tube failures typically result from creep damage and other forms of erosion, such as pitting, pinholes and blockages of all types. Getting inside such tubes in order to get an accurate picture of their ...

Tuesday November 17, 2009
EPRI and U-SNAP Alliance establish effort to standardize the interface for smart appliances
Tuesday November 17, 2009

The U-SNAP Alliance and the Electric Power Research Institute announced today at Grid-Interop 2009 an agreement that will allow the sharing ...

Tuesday November 10, 2009
Siemens to expand HVDC link in New Zealand
Tuesday November 10, 2009

Siemens Energy received an order from Wellington-based Transpower New Zealand Limited, the national grid operator, to modernize and increase the capacity of the existing high-voltage ...

Thursday November 5, 2009
EPRI unveils initiative to improve transmission system efficiency
Thursday November 5, 2009

The Electric Power Research Institute (EPRI) disclosed plans for an industry-wide "transmission efficiency" demonstration collaborative that will identify technologies leading to greater ...

Wednesday November 4, 2009
Alstom reinforces capabilities in CO2 capture with acquisition of former Lummus Global engineering unit
Wednesday November 4, 2009

Alstom has acquired the engineering office of the former Lummus Global, a leading provider of technology for the hydrocarbon processing industry, in Wiesbaden, Germany. The unit, renamed ALSTOM ...

Friday October 16, 2009
Alstom and TransAlta launch Project Pioneer – designed to capture and store 1 million tons of CO2/year
Friday October 16, 2009

Alstom and major Canadian power company TransAlta - along with their partners in the governments of Canada and Alberta and Capital Power, an independent power producer - announced the creation of a partnership to construct a large-scale carbon ...

EPRI wins $1.3 million in federal grants for water quality trading program
Collaborative effort aims to curb nitrogen, phosphorus discharges in Ohio River Basin
Friday October 16, 2009

The Electric Power Research Institute announced the receipt of $1.3 million in federal grants from the U.S. Environmental Protection Agency and the U.S. Department of Agriculture to launch a regional water quality trading program in the Ohio ...

Monday October 12, 2009
Level measurement for the power industry
Keith Riley and Kris Worfe
Monday October 12, 2009

Abstract
This paper will address the most common technologies available, including capacitance, ultrasonics, free space radar, guided radar and vibrating forks. It discusses the basic principles of each ...

Thursday October 1, 2009
Implementing adequate maintenance to minimize unplanned outage, service failures
Joseph A. MacDonald
Thursday October 1, 2009

Unscheduled plant outages, whether caused by equipment breakdown or by human error in plant operations, result in increased costs and reduced revenues. In today's highly competitive environment, determining the best solutions requires using advanced ...

Advances in on-line partial discharge monitoring of rotating machines
G. Matthew Kennedy and Matthias Boltze
Thursday October 1, 2009

During the past 30 years, great strides were made in online monitoring of rotating machines, transformers and HV apparatus. Partial discharge (PD) monitoring offers an excellent method of assessing the condition of various HV components under actual ...

ASME: Take on the challenge of level measurement in fly ash silos
Keith Riley and Kris Worfe
Thursday October 1, 2009

Introduction
There are nearly as many level measurement technologies available to the power industry as there are applications. The problem for most end-users is not finding a technology but determining the correct technology ...

Wednesday September 30, 2009
GE Energy invests more than $10 million to expand generator development labs
Wednesday September 30, 2009

GE Energy invested more than $10 million to expand its generator development laboratories. The move is designed to help energy producers worldwide lower costs, improve performance and extend the life of their power generation equipment.

...
Tuesday September 29, 2009
EPRI collaborative to support AEP, Alstom carbon capture and storage project
Validation plant will capture CO2 from a coal plant and inject it underground
Tuesday September 29, 2009

The Electric Power Research Institute announced that it has joined with American Electric Power and Alstom in a validation of advanced carbon dioxide capture and storage technologies at AEP's Mountaineer Plant in New Haven, W.Va.

EPRI ...

Wednesday September 16, 2009
Alstom and Dow dedicate new pilot plant to capture CO2
Wednesday September 16, 2009

Alstom, a world leader in power generation equipment, and The Dow Chemical Company, a leader in innovative chemistry for the development of energy and climate change solutions, celebrated the successful start-up and operation of a pilot plant ...

Tuesday September 15, 2009
On-site machining keeps plant schedule on track
Contributed by Climax Portable Machine Tools
Tuesday September 15, 2009
At a proposed 570 MW combined-cycle gas-powered plant in Alabama, construction was underway and then put on hold.
Two years later, the plant was purchased by a major utility with the goal of being online by the end of 2009. The piping, flanges and ...
Tuesday September 1, 2009
ASME: Preventing turbine water damage - ASME Standard TDP-1
Larry Kielasa, John Boyle and Ram G. Narula
Tuesday September 1, 2009

With the advancements in combined cycle, steam generation and co-generation technology systems, ASME has published an updated version of its "Recommended Practices for the Prevention of Water Damage to Steam Turbines Used for Electric Power Generation ...

Microfiltration and reverse osmosis: A winning combination for plant makeup water treatment
Brad Buecker
Tuesday September 1, 2009

During the 20 years I spent at two electric utilities and a manufacturing plant, I had the chance to work with reverse osmosis systems and conversion of RO pre-treatment from a clarifier/sand filters to a microfilter, or MF. MF/RO, often in combination ...

Monday August 24, 2009
2009 Turbomachinery Symposium Discussion Group sessions
Monday August 24, 2009

Discussion Group 1: Turbomachinery Operation and Maintenance - Suggested topics include: Preventive/predictive maintenance programs, analysis of turbomachinery vibration problems, balancing, lubricants, component ...

2009 Turbomachinery Symposium Tutorial sessions
Monday August 24, 2009

Tutorial 1: Dry Screw Compressor Performance and Application Range - Dry screw compressors are suited for many applications in the oil and gas industry, chemical industry, steel ...

2009 Turbomachinery Symposium Short Course sessions
Monday August 24, 2009

Short Course 1: Centrifugal Compressors 101 - For engineers and technical professionals who want a broad-based introduction to centrifugal compressor design and analysis. Learn ...

2009 Turbomachinery Symposium Lecture sessions
Monday August 24, 2009

Lecture 1: Development and Application of a Vertical High Speed Motor-Compressor Simulator for Rotor Drop onto Auxiliary Bearings - Learn about a combined analytical ...

2009 Turbomachinery Symposium Case Study sessions
Monday August 24, 2009

Case Study Session One:

  • Case Study 1: Successful Avoidance of Major Secondary Damages Using Proximity Measurements to Detect a ...
Wednesday August 19, 2009
New technology for wet scrubbers simplifies construction and maintenance
Doug Dole
Wednesday August 19, 2009
As a result of legislation requiring coal-fired power plants to reduce emissions of hazardous air pollutants, many facilities have installed flue gas desulfurization (FGD) units, or scrubbers. Wet FGD systems reduce emissions of sulfur dioxide ...
Saturday August 1, 2009
Condition monitoring strategies
Komandur Sunder Raj
Saturday August 1, 2009

This is the last of three articles on technological advances and progress in power plants for process communications and control, as well as performance and condition monitoring. Previous articles in this series were in the March and May 2009 ...

Developing a new standard for belt conveyor design
R. Todd Swinderman
Saturday August 1, 2009

The engineering of belt conveyors to move bulk materials has changed little during the last 50 years. Granted, designers have computers to help design them, and new materials to use in building them, but the basic rules of thumb haven't changed much ...

ASME: Performance monitoring & troubleshooting with a new individual condenser tube circulating water flow and fouling (CWFF) meter – A case study
Dr. Timothy J. Harpster, Dr. Joseph W. Harpster, Sunish Shah and Gerald Weber
Saturday August 1, 2009

Introduction
Midwest Generation Joliet Station in Illinois has two coal-fired units, Unit 7 and Unit 8. Both 550 MW units are located on the Des Plaines River and have been in operation since 1963-1964. The circulating water ...

Thursday July 16, 2009
Wireless vibration monitoring in a U.S. coal-fired plant
Choosing a reliable wireless system able to provide data on vibration magnitudes in a coal pulverizer was never going to be easy, so two systems were tested alongside each other
By Gary L. Gbur, Wane Wier and Torsten Bark
Thursday July 16, 2009

The Baldwin Energy Complex, located near Decatur, Ill., is a coal-fired plant generating about 1,761 MW, and the site of a joint-venture pilot project aimed at demonstrating a wireless vibration monitoring solution for a coal pulverizer. The partners ...

Tuesday June 30, 2009
Colfax’s Dave McKinstry receives Hydraulic Institute’s Lifetime Achievement Award
Tuesday June 30, 2009

Colfax Corporation, a global leader in fluid-handling solutions for critical applications, announced that Dave McKinstry, vice president of business development and special projects, received the Hydraulic Institute's (HI) lifetime achievement ...

Alstom, StatoilHydro and TCM in partnership to pioneer CO2 capture on fossil fuel power plants
Tuesday June 30, 2009

Alstom signed an engineering, procurement and construction (EPC) contract with StatoilHydro on behalf of the partners of the European CO2 Technology Centre Mongstad (TCM) for a chilled ammonia (carbonate) CO2 capture plant at TCM in Norway. The ...

GE supports largest waste gas-to-energy projects
Tuesday June 30, 2009

One of the world's largest landfill gas-to-energy projects was unveiled in Istanbul.

The landfill gas project was developed as part of a national initiative to reduce the environmental impacts of solid waste facilities and use the landfills' ...

Wednesday June 24, 2009
Nexterra biomass gasification system fires up at Dockside Green
Wednesday June 24, 2009

Nexterra Energy Corp. announced that its biomass gasification system at Dockside Green is operational and providing heat and hot water to residents of the $600 million green development in Victoria, British Columbia. The Dockside Green development ...

Alstom enters the Ocean Energy market
Wednesday June 24, 2009

Alstom Hydro signed a licensing cooperation agreement with Clean Current Power Systems Incorporated, a Canadian company specialized in design and testing of tidal energy technology.

This emerging energy source will play a significant ...

Stock Equipment and Sabia sign sales agreement
Wednesday June 24, 2009

Stock Equipment Company signed a sales agreement with Sabia Inc. to market their line of elemental coal analyzers to the power generation market. 

Sabia's analyzers are well known in the mining and cement industry where they provide ...

Siemens invests in extension of gas turbine manufacturing plant
Wednesday June 24, 2009

Siemens is expanding production capacity at its gas turbine manufacturing plant in Berlin. The company opened a further production facility in the Moabit district. This expansion of production capacity will create 200 jobs. Almost one-third of ...

Blasch honors two employees for high achievement
Wednesday June 24, 2009

Blasch Precision Ceramics presented achievement awards to two employees who attained excellence by exceeding sales goals in the fiscal year ending in February 2009.

Mickey Lavicska, director of Advanced Silicon Carbide Products, managed ...

Wednesday June 17, 2009
Hydroelectric power station nears completion of challenging switchgear project
Wednesday June 17, 2009

With a hydroelectric generating capacity of 1,100 MW, the 8-generator Muddy Run Pumped Storage Facility in southeastern Pennsylvania helps the mid-Atlantic power grid meet peak demands.

Built in 1966, the plant is undergoing a major generator ...

Thursday June 4, 2009
Hydraulic Institute announces new standards partners
Thursday June 4, 2009

The Hydraulic Institute announced that it has added three notable pump industry firms to its roster of select standards partners. The new Standards Partner program provides an opportunity for engineering consultants and pump users to partner with ...

ComRent International, LLC announces opening of Canada office
Thursday June 4, 2009

ComRent International announced the opening of its newest office in Ontario, Canada. The new location enables the firm to expand and create relationships with prospects, clients and partners in the Canada region. By opening this branch, ComRent ...

Tuesday June 2, 2009
Alstom signs a €160 million contract to modernize the Belchatów power plant
Tuesday June 2, 2009

PGE signed with Alstom Power a contract concerning the retrofit of Unit 6 in the Belchatów power plant, Europe's largest and the world's second largest fossil power plant with a total installed power output of 4,440 MW. Alstom Power will ...

GE supports one of the world’s largest waste gas-to-energy projects
Tuesday June 2, 2009

One of the world's largest landfill gas-to-energy projects was unveiled in Istanbul, Turkey.

The landfill gas project was developed as part of a national initiative to reduce the environmental impacts of solid waste facilities and use ...

Rentech to build plant to produce green electric power from urban waste
Tuesday June 2, 2009

Rentech Inc. will build a plant in Rialto, Calif., for the production of ultra-clean synthetic fuels and electric power from renewable waste biomass feedstocks.

The Rialto Renewable Energy Center (Rialto Project) is designed to produce ...

Monday June 1, 2009
Remote performance monitoring
Komandur Sunder Raj
Monday June 1, 2009

This is the second of three articles about technological advances and progress in power plants for process communications and control, as well as performance and condition monitoring. The first article was published in the March 2009 issue of ...

Non-destructive examination basics
Patrick J. Smith
Monday June 1, 2009

Non-destructive examination (NDE) is used to detect cracks and other flaws in a part without rendering the part unusable by performing destructive testing. These inspections can increase the reliability of the part by providing early detection of ...

ASME: Tips on benchmarking power plants
G. Michael Curley
Monday June 1, 2009

In my experience, there is more to benchmarking than meets the eye. "Benchmarking" is a phrase used by the industry for many years and it can mean many different things to different people. Some people benchmark units based on similar unit ...

Friday May 1, 2009
Maintenance Matters: Be vigilant about your lubricant
Timothy Erdman
Friday May 1, 2009

If a power plant's objective is to keep costs low, then the use and disposal of lubricant must be managed efficiently. Turbine oil that is properly cared for through condition monitoring and a consistent program of analysis can be a gift that keeps ...

Combustion turbine varnish control during outage season
Brad Buecker and Kal Farooq
Friday May 1, 2009

Much of the power produced in this country, at least for peak load purposes, comes from either simple- or combined-cycle combustion turbines. A problem that is becoming increasingly common, or perhaps more fully recognized, with these units and at ...

Heat exchanger maintenance – can we afford to wait?
Dan Janikowski
Friday May 1, 2009

Managing of a power plant today requires many decisions that can have a major impact on the bottom line. Making the correct one can make the management team a hero - and the wrong one could mean disaster. Today's fuel costs have increased dramatically. ...

ASME: Improving boiler reliability through NDT
Shawn Gowatski
Friday May 1, 2009

Introduction
Boiler reliability is crucial for power plants. Forced outages can cost a plant millions of dollars, especially during periods of peak power demand. Non-Destructive Testing inspections during planned outages can ...

Thursday April 23, 2009
Martin Engineering’s Swinderman elected president of CEMA
Thursday April 23, 2009

Martin Engineering's R. Todd Swinderman was elected president of the Conveyor Equipment Manufacturers Association (CEMA).

Founded in 1933, CEMA is the trade association of leading North American conveyor equipment manufacturers and engineering ...

Babcock Power RSCR® reduces Vermont air emissions
Thursday April 23, 2009

Babcock Power Environmental Inc. (BPE), located in Worcester, Mass., a subsidiary of Babcock Power Inc., based in Danvers, Mass., announced that its Regenerative Selective Catalytic Reduction (RSCR(r)) system installed at the JC McNeil Generating ...

Alstom wins contract to retrofit South African Koeberg nuclear power station
Thursday April 23, 2009

Alstom, a power generation technology corporation, announced it has signed a contract worth approximately EUR 125 million with South Africa's state-owned utility Eskom to retrofit the low-pressure turbines of the two 970 MWe units at Koeberg Nuclear ...

Westmor Industries expands factory, increases tank manufacturing shop
Thursday April 23, 2009

Westmor Industries, a manufacturer of petroleum and liquid-handling equipment, recently opened its new, expanded tank shop facilities.

The added 7,500 sq. ft. space makes room for an additional assembly line, leaving a dedicated line for ...

Siemens Energy awarded 3rd series of U.S. contracts to upgrade power plant controls
Thursday April 23, 2009

Siemens Energy's Instrumentation & Electrical Business Unit has been awarded its third series of new contracts for its innovative SPPA-T3000 distributed control system in 2009. Each contract is for upgrading the control systems at U.S. power ...

Tim Warning named president of OPW
Thursday April 23, 2009

Dover Fluid Management, a division of Dover Corporation, announced the promotion of Tim Warning to the position of president of its OPW Fluid Transfer Group (OPWFTG), effective immediately. Warning will take over for David Crouse who was recently ...

GE joins Australian initiative to develop carbon capture and storage power plants
Thursday April 23, 2009

GE Energy, a leader in the development of advanced coal technology, announced it is joining an Australian government-supported initiative to facilitate the development and deployment of carbon capture and storage projects worldwide.

Under ...

Wednesday April 15, 2009
Boiler/burner safety guidelines
Wednesday April 15, 2009

Hauck Manufacturing Co. engineers point out that the essential components of a combustion system, regardless of brand, are fundamentally similar on most contemporary burners, according to the Hauck Manufacturing Web site, www.hauckburner.com.
"To ...

Wednesday April 1, 2009
ASME: Analysis of cycling impacts on combined-cycle heat recovery steam generators and evaluating future costs of countermeasures to reduce impacts
Steven A. Lefton, Philip M. Besuner, G. Paul Grimsrud, Dwight D. Agan and Jeffrey L. Grover
Wednesday April 1, 2009

Introduction    
Many combined-cycle power plants that were built to operate baseloaded in the U.S. and Europe at a time of low gas prices have been forced to cycle on/off due to recent high fuel prices. Combined-cycle ...

Save big bucks with proper condenser performance monitoring
Brad Buecker
Wednesday April 1, 2009

Along with the boiler, the steam surface condenser is tops among heat exchangers in fossil-fuel-fired power plants. And of course, condensers are critical at nuclear plants and other facilities that produce power. Waterside tube scaling or fouling, ...

Boiler, burner system maintenance improves plant reliability, availability
Joseph A. MacDonald
Wednesday April 1, 2009

At the heart of every fossil-fuel-fired power plant operation is the combustion process, or to be more precise, the characteristics of the combustion process, which require careful control and management. To complete combustion within a boiler, four ...

Sunday March 1, 2009
Maintenance Matters: Keeping your belts up and your costs down
How keeping conveyors running and clean helps keep coal-fired power plants in operation
Mark Stern and Andy Marti
Sunday March 1, 2009

If the turbine is the heart of the coal-fired power plant, the boiler/furnace is the stomach, and the belt conveyors are the esophagus, keeping the power source well supplied. Without the belt conveyor system, the fuel does not get where it needs ...

ASME: Site specific considerations for carbon dioxide capture at existing PC plants
David J. Stopek, Ram Madugula and David Hasler
Sunday March 1, 2009

Introduction
Many power generation companies are beginning to conduct studies to identify how they will cope with Green House Gas (GHG) emissions, if and when state and/or federal regulations are enacted. Most pundits predict ...

Wireless technology in power plants
This is the first of three articles about technological advances and progress in power plants for process communications and control, as well as performance and condition monitoring.
Komandur Sunder Raj
Sunday March 1, 2009

Introduction to wireless technology
Wireless Internet systems are already commonplace in homes and its application in power plants is gaining acceptance. Wireless technology involves the use of cellular phones, personal digital ...

Friday February 20, 2009
ASME: The case for combining pump maintenance and systematic upgrading - Part 2
By Heinz P. Bloch, P.E., Robert Bluse and James Steiger
Friday February 20, 2009

A recent study on energy efficiency showed that 90 percent of pumps were not correctly sized.  The article that reported on the study stated that energy accounts for fully 94 percent of the total life cycle cost of pumps (Ref. 1). It is well ...

Only online - Microfiltration: A pretreatment option
Brad Buecker
Friday February 20, 2009
For years, clarification followed by media filtration was the common technique for removing suspended solids from steam generator makeup water. Now, the membrane techniques of micro- and ultra-filtration are attracting interest as methods for suspended ...
Sunday February 1, 2009
New technology makes electric control-valve actuation a viable alternative
By Chris Warnett
Sunday February 1, 2009

Power plants are balancing several important priorities in today's economic landscape - from improving operating efficiency, to cutting maintenance costs and reducing emissions and greenhouse gases.

Traditionally, power plants have almost ...

ASME: The case for combining pump maintenance and systematic upgrading — Part 1
Heinz P. Bloch, P.E., Robert Bluse and James Steiger
Sunday February 1, 2009

Virtually, all industrial machinery requires periodic maintenance for dependable long-term operation. In fact, the very term "maintenance" is defined as keeping machines in the as-designed or as-purchased and manufactured condition.

Maximize asset performance combining predictive technology with traditional preventive measures
Joseph A. MacDonald
Sunday February 1, 2009
Traditionally, most power plants practice time-based preventive maintenance (PM), meaning a piece of equipment gets maintained – whether it needs it or not.
PM, however, is labor intensive (relying on the senses – look, listen, feel, ...
Wednesday January 14, 2009
Water straining: Choosing the correct strainer technology
Bulk raw water users, such as PPL Electric Utilities, protect process and downstream equipment by selecting multi-element water strainer technology
Wednesday January 14, 2009

Whether used for cooling, or the process itself, the raw water drawn from lakes, rivers and reservoirs must first be strained to create acceptable water for use. In many industries this means continuously straining tens of thousands of gallons of ...

Monday December 1, 2008
ASME: Compact diaphragm turbine technology and its first application in a turbine retrofit
David M. Littlewood and Simon I. Hogg
Monday December 1, 2008

Introduction
One of the benefits from the merger between the power generation divisions of ABB and Alstom, is that the present day Alstom Steam Turbine Retrofit Business enjoys the unique position of being ...

Optimizing plant alarm systems without compromising personnel safety, equipment protection, and plant security
Joseph A. MacDonald
Monday December 1, 2008

Detection and protection alarms are critical to the safe and efficient operation of a power plant. Too many and too frequent alarms, however, can have the opposite effect.
A control room operator can easily be deluged with large amounts of diverse ...

Improving your Vibration Predictive Maintenance Program
Many industries have a predictive vibration analysis program. What does it take to keep the program alive and healthy?
By Anthony DeMatteo
Monday December 1, 2008

Since the first analog vibration instruments were introduced to industry, the power generation industry has been a strong proponent of the technology and has used it to keep power plant equipment healthy and well balanced.  
I was a mechanic ...

Wednesday October 15, 2008
Complying with EPA regulations with ultra-low NOx boiler technologies
Rick Fiorenza
Wednesday October 15, 2008
The U.S. Environmental Protection Agency is paying a lot of attention to nitrogen oxides (NOx) and the sources that emit these pollutants.
Produced by the burning of fossil fuels in power plants, manufacturing facilities, and other stationary ...
Wednesday October 1, 2008
Important concepts of wet-limestone flue gas desulfurization
Brad Buecker
Wednesday October 1, 2008

Introduction
Many utilities in the United States are installing flue gas desulfurization (FGD) systems to reduce sulfur dioxide emissions from coal-fired boilers. The majority of these systems will be based on wet-limestone technology ...

Bolting basics
Patrick J. Smith
Wednesday October 1, 2008

Bolting is commonly used in machinery and piping systems to fasten parts together. While relatively simple, bolting technology is commonly misunderstood and problems can develop, especially when bolts are replaced. Problems
can easily be avoided ...

Operating experience of a coal-fired boiler retrofit with an advanced hybrid of coal gasification for SO2 and NOx emissions control
Keith Moore
Wednesday October 1, 2008
Introduction  
Utility and industrial boiler owners want to know, "How can my boiler stay competitive in today's environment with ever higher fuel-costs and new requirements to meet EPA's stringent air-quality emission ...
Thursday September 18, 2008
Martin Engineering’s new research center focuses on improving material handling
Andy Marti
Thursday September 18, 2008

Leading edge companies now provide bulk material testing as an option in their design of material handling systems and their components. Among those companies is a small firm located in the cornfields outside rural Neponset, Ill.

With a population ...

Abstract deadline for World of Coal Ash Conference
Thursday September 18, 2008
The abstract deadline for the World of Coal Conference is Oct. 13. The conference will be held May 4-7, 2009, in Lexington, Ky. Visit www.worldofcoalash.org, for more information.
Monday September 1, 2008
Bulk material science and improving power plant coal handling
By R. Todd Swinderman, P.E., and Andy Marti
Monday September 1, 2008

The greatest advancement in the engineering of coal handling systems is the increased use of bulk materials science.

This science is based in the testing and analysis of both the bulk solid and the construction materials that the bulk solids ...

Effective fuel systems maintenance programs include more than equipment operation
By Joseph A. MacDonald
Monday September 1, 2008

As power plant operators strive to reduce costs and increase equipment reliability, it is important to ensure the right tasks are being performed on the right equipment.

One of the most important places for this is the fuel supply maintenance ...

Water treatment systems
Critical components for economical, ecological power plant operation
By Joseph A. MacDonald
Monday September 1, 2008

Electric power plant operation efficiency depends on a number of interrelated factors - most importantly water treatment - with power plants using significant quantities of water to generate electrical energy.

According to DOE, a 500-MW power ...

Friday August 1, 2008
Critical-equipment component maintenance key to coal-handling plant integrity, efficiency
By Joseph A. MacDonald
Friday August 1, 2008

Critical-equipment failures in coal-handling plants (for thermal power plants) often lead to high maintenance and operating costs. Implementing a combination of corrective maintenance and condition-based maintenance (CBM), however, ...

Maintain components for better efficiency
Friday August 1, 2008

Critical-equipment failures in coal-handling plants (for thermal power plants) often lead to high maintenance and operating costs. Implementing a combination of corrective maintenance and condition-based maintenance (CBM), however, ...

Manufacturing and Testing of Welded Stainless Steel Tubing
You Have a Choice: Feedwater Heater Tubing
Friday August 1, 2008

By Daniel S. Janikowski and Edward R. Blessman

Introduction

The initiation of deregulation has driven a need for all power producers to become more efficient and reliable in order to be ...

Integrating predictive maintenance
Use Condition Monitoring/Visual Inspection to ensure maximum plant reliability, availability, and efficiency
By Joseph A. MacDonald
Friday August 1, 2008

In today's highly competitive power generation market, every minute of downtime for critical power plant equipment means loss of electricity production, loss of income, and loss of strategic position in the industry.

As ...

Sunday June 1, 2008
ASME Power Division
Performance-based equipment reliability standard
Sunday June 1, 2008

Foreword
Reliable plants meet owner expectations. Design profoundly influences reliability, but once built, a plant's operations and support staff determine its performance.

Design for reliability begins by defining ...

Remote monitoring - optimize control system performance
Sunday June 1, 2008

Competition in the power industry and increased consumer demand for a high-quality, consistent power supply, have resulted in power plant operators relying more than ever on advanced information systems and remote monitoring to ensure rapid ...

Emergency lighting & communications — a vital plant tool
When an emergency happens, good planning, equipment, and design can make or break a plant’s recovery
Sunday June 1, 2008

When it comes to commercial building design, aesthetic lighting choices often receive the most attention.

But emergency lighting is the most crucial element of a building's lighting scheme - especially for power generation ...

Thursday May 1, 2008
Machining to the cutting edge of efficiency
By Andy Becker
Thursday May 1, 2008

New on-site portable machining solutions are helping power plants cost-effectively streamline their repair processes and shorten their maintenance outages, while also extending the life of - and generating more power from - existing plant facilities. ...

Steam turbine tasks – invest for big returns
Thursday May 1, 2008

In today's electric power market, maintaining an economically competitive power generation plant requires the latest technological mechanical improvements, as well as efficiency optimization and increased economics of operation and maintenance. ...

Adapt old pumps to the latest sealing technology
Thursday May 1, 2008

By Heinz P. Bloch and Alan Roddis


In today's fast-changing world, products can rapidly become outdated.

Gadgets and devices might become obsolete before some of us learn how to use them, but little ...

2008 ASME Power Conference Short Courses - July 21st at Disney’s Contemporary Resort in Orlando, Florida
Thursday May 1, 2008

To register, log on to www.asmeconferences.org/Power08.

Electric Generators for Mechanical Engineers

This one-day ASME course will look at the fundamentals of electric generator design, operation, ...

Tuesday April 1, 2008
Proper cooling tower maintenance increases power plant efficiency
Brad Buecker
Tuesday April 1, 2008

An improperly maintained cooling tower will produce warmer cooling water, resulting in a condenser temperature 5-10 F higher than a properly maintained tower - reducing efficiency and reliability of the chiller while wasting energy, increasing ...

Turbomachinery Balancing Basics
Tuesday April 1, 2008

Unbalance is the most common cause of excessive vibration in high-speed turbomachinery. High vibration can cause bearing, seal, and rotor damage, support system damage, increased noise, etc.

To ...

Gas turbine and MSW-boiler-hybrid combined cycles for high-efficiency
Tuesday April 1, 2008
By K. Qiu and A. C. S. Hayden Introduction

Introduction
Many cities are increasingly burdened by municipal solid waste, or MSW. Landfills are not a sustainable solution, and pressure against adding to landfills ...

Belgian tomato grower slices energy costs with Cummins CHP system
Tuesday April 1, 2008

Contributed by Cummins Power Generation Inc.


A 1.5 MW lean-burn gas generator set from Cummins Power Generation provides heat, power ...

Tuesday February 26, 2008
Consider dual-driven boiler feed pumps for coal plants with capacity greater than 500 MW
Tuesday February 26, 2008



Coal plants have traditionally relied on boiler steam to drive their boiler feed pumps. And as you know, this is a chicken-and-egg scenario-the ...
Implementing an effective turbo-generator maintenance program ensures highest performance
Tuesday February 26, 2008

Regular and systematic maintenance of a plant's electric generator helps maximize energy output and ensures reliability and longevity of generator's performance

Technological advances in turbo-generator designs, and their ...

Using a multiport pitot tube in circulating water flow measurements
Tuesday February 26, 2008

By Luis R. Figueroa Ibarra, J. Hugo Rodríguez Martínez, and Marcelino Santabarbara Botello

Nomenclature
ATC          ...

Walking the belts: what you need to know
Tuesday February 26, 2008


Walking the belt is a good way to check the status of the plant's conveying equipment.

In coal-fired power plants, proper operation of belt conveyors ...

Monday January 14, 2008
Troubleshooting condenser vacuum issues at North Omaha Station Unit 1
Monday January 14, 2008

Introduction

In 2004, North Omaha Station Unit 1 (NOS 1) experienced multiple condenser vacuum upsets. At least one of them resulted in a unit trip. The upset ...

Stack emissions testing, pollution control methods
Monday January 14, 2008

Growing environmental awareness and tightening legislation on emissions from power plant flue stacks has put the pressure on fast, frequent, and accurate emission testing and monitoring.

Most industrial facilities ...

Valve and damper actuation for the power industry
Monday January 14, 2008

Today, power plants face many tough challenges. For example, there are increasing demands to improve operating efficiencies, increase productivity, and become ...

Optimizing gas turbine maintenance essential to maintain high levels of availability and reliability
Monday January 14, 2008
By Joseph A. MacDonald

The current trend in using predictable maintenance, based on condition monitoring assessment, promises operating conditions that will optimize gas turbine availability with little or no downtime ...

Saturday April 1, 2006
HRSG performance: Optimization Improves Reliability
Saturday April 1, 2006

Steam generators, or boilers, are a central element in today's modern thermal power plants, providing the desired steam flow rate at the specific temperature and pressure-as efficiently and cost-effectively as possible. And, combined-cycle power plants ...

Thursday December 1, 2005
Fuel/Air Ratio Control in Dry, Low NOx Combustion Systems
Thursday December 1, 2005

In recent years combustors on both new and upgraded industrial gas turbines increasingly gravitated toward dry, low NOx (DLN) combustion systems. DLN combustors employ lean, premixed combustion for achieving low NOx and CO emissions. ...

Numerical Estimation of Losses in Steam Flow Through LP Turbine Stages
Thursday December 1, 2005

The development of numerical methods in fluid mechanics as well as the permanent growth of information concerning energy dissipation in flow systems characteristic for thermal ...

Saturday October 1, 2005
Design of High Energy Bypass Systems in Combined-Cycle Power Plants
Saturday October 1, 2005

The main purpose of the steam turbine bypass system is to virtually duplicate the expansion and heat transfer normally undertaken in the operating steam turbine. By doing so, the steam turbine bypass system enables faster plant startups, continued ...

Maximizing Steam Generator Operation Don’t Forget the Lifeblood of the Plant: Water
Saturday October 1, 2005

A recent report by the McIlvane Group projects between now and 2020, over three trillion dollars will be invested globally in coal-fired power plant construction. This will introduce a large number of new plant employees to the complex task of operating ...

Web Exclusive: Centrifugal Gas Compressors
Saturday October 1, 2005

After a few years of decreased sales and restructuring, the power generation industry is now very active with capital infrastructure spending. Last year, 75 percent of gas turbines ordered were natural gas or dual fuel, in combined-cycle ...

NDT & Lifetime Extension of Electric Generators
Saturday October 1, 2005

Nondestructive testing (NDT) is the examination of an object or material in a manner that does not affect its future usefulness. Nondestructive tests are performed to detect internal or external imperfections, to determine structure, composition, ...

Justification for Implementing Computerized Maintenance Management Systems
Saturday October 1, 2005

Many power generation plant owners/operators still view maintenance as the last controllable function in which they have an opportunity to reduce operating costs. But, arbitrarily reducing the maintenance budget can lead to lower levels of operating ...

Turbine Inlet Air Chilling Operation & Maintenance
Saturday October 1, 2005

Hopefully I am like most and systematically inspect and maintain my expensive possessions thoroughly, like vehicles; however, I suspect that I am in the minority. It probably boils down to the way I was raised. I can remember that at an early age ...

Understanding Air Filtration
Saturday October 1, 2005

After over 25 years working with air filtration systems for combustion turbines, turbochargers, and axial compressors, it continues to amaze me that something so simple can be such a pain in the neck! After all, it's just a big metal box. How complicated ...

ELECTRIC POWER 2006 RELOCATED TO ATLANTA!
Saturday October 1, 2005

New Date and Location--
May 2-4, 2006,
Georgia World Congress Center,
Atlanta, Georgia.  

As you are aware, Hurricane Katrina has wreaked havoc on New ...

Monday August 1, 2005
The Practical Application & Innovation of Cleaning Technology for Condensers
Monday August 1, 2005

Maintaining clean condenser tubes is of vital importance to reliable, efficient power plant operation. Ideally, fouling would be avoided entirely; however, this is rarely the case. Condensers may become lightly fouled with soft organic deposits, or ...

Root Cause Failure Diagnosis: Key to Improving Gas Turbine Life Extension
Monday August 1, 2005

Working with plant owners, operators, suppliers, and manufacturers over the past few years, Southwest Research Institute (SwRI) engineers evaluated a large number of gas turbines diagnosing the root cause of failure to correct ...

Boiler Condition Assessment During Operation
Monday August 1, 2005

Undesired corrosion takes place in all types of industries. Research has provided great insight into the mechanisms of corrosion. While initial remedies can be very successful for quite some time, changing conditions, can introduce "new" corrosion ...

Multi-Jackbolt Tensioners
Increase Safety, Reduce Installation Time
Monday August 1, 2005

Energy-producing machinery can test a bolting system's endurance to the breaking point. Conventionally bolted joints often fail and loosen under the ...

What Can Be Done When Balancing Is Not Working
Monday August 1, 2005

(NOTE: This is the second half of a two-part article on balancing. The first part, "The Trouble with Balancing," was published in the June 2005 issue, and can be found on www.energy-tech.com)

The ...

Lubricant Selection May Lower Operating Cost
Monday August 1, 2005

Nearly every business is under increasing pressure to lower operating costs and increase efficiency. This often means doing more with fewer people and using older equipment. This challenge has prompted increased attention to lubrication and its role ...

Case Study: AES Cayuga, Lake Ridge, NY
Monday August 1, 2005

Turbine Performance Enhancements

In today's business environment for generating plants, lower costs and higher efficiencies are driving factors. There are new technologies emerging everyday so it is important to be ...

Wednesday June 1, 2005
Chemically Cleaning HRSGs
Wednesday June 1, 2005

Chemical cleaning is often performed to remove contaminants that may impair heat transfer and may eventually lead to premature pressure-part failure. New units undergo various types of chemical cleaning to remove the oils, preservatives, and mill ...

HRSGs: Operation, Availability & Dependability
Wednesday June 1, 2005

Improvements in efficiency and reliability have made gas turbines a major factor for expanding power plant capacity. And, adding a heat recovery steam generator (HRSG) and Rankine steam cycle can increase overall combined-cycle thermal efficiency ...

Effective Maintenance PM Task Selection Requirements
Wednesday June 1, 2005

Selecting PM tasks for industrial maintenance plans has always been hard work. Identifying critical equipment failures requires focus. Picking effective tasks demands insights. Packaging selected tasks for implementation involves selling process stakeholders ...

The Trouble with Balancing, Part I
Wednesday June 1, 2005

Mass Balancing is a well-known and almost mature technology. If it worked consistently every time with excellent results, then it could be called mature. The reality is that mass balancing does not always produce the desired results when balancing ...

Identify & Correct HRSG Tube Failure Using Comprehensive Diagnostic Analyses
Wednesday June 1, 2005

HRSG system failure primarily results from thermal cycling, which produces a cumulative failure damage that cannot be reversed. Every time an HRSG is started, stopped, or cycled down to part-load, thermal fatigue damage occurs. And, according to HRSG ...

Heat Exchangers Transfer Generator Losses to Improve Turbine Power Efficiency
Wednesday June 1, 2005

Although today's large turbines have efficiencies between 98.5 percent and 99 percent, turbine-generator losses tend to be some 1.5 percent of the rated output at the machine terminals. Such losses are reflected through the turbine power into the ...

Friday April 1, 2005
Pump Guy: Even A Flat Tire Has 14.7 PSI Inside It
By Larry Bachus
Friday April 1, 2005

You can't go to a pump meeting these days without listening to some gee whiz story on cavitation and NPSH. And every now and again, our industry gets onto a cavitation kick. I'm sure you've read some recent articles in the technical and pump magazines ...

Pump Guy: The Affinity Laws
Friday April 1, 2005

The Affinity Laws are a group of laws and rules that govern your pumps. Sometimes they're called the laws of similarity. Until a few years ago, the Affinity Laws were on the back burner and mostly ignored. They were only recalled upon exporting a ...

Determining Crankshaft Distortion in Large Reciprocating Compressors, Engines
Web Deflection & Measurement Techniques
Friday April 1, 2005

Measuring web deflections is a common technique to determine crankshaft distortion in large reciprocating compressors and engines. Crankshaft distortion may ...

Steam Cycle Heat Exchangers
Essential for Improving Overall Power Plant Efficiency
Friday April 1, 2005

Of all heat exchangers installed in a power plant, only "condensers" and "feedwater heaters" are considered "steam cycle heat exchangers," even though some of the  others may be associated with the steam turbine or condensate cycle. ...

Pump & Seal Failure Analysis Improves Reliability, Reduces Maintenance Costs
Friday April 1, 2005

It wasn't too many years ago that the majority of the pumps within our process plants were sealed with compression packing. At that time, fluid leakage from the pump was not a major environmental issue and leakage was not measured critically. Failure ...

Pumps & System Curves
Friday April 1, 2005

Air Products and Chemicals, Inc. operates a hydrogen production plant in Carson, Calif. At this plant there are three small pumps with the tag numbers P-996A/B/C. These pumps pump wastewater from a pit to the county sewer as shown in Figure 1. The ...

Choosing the Right Valve for Your Equipment & Application
Friday April 1, 2005

The task of finding the right valve can be daunting, and there are hundreds of valve manufacturers producing many different types of products. The key, however, is to identify your exact valve requirements. So the next time you ...

Flue Gas Clean-Up Process Effectively Removes SO2, NOx, PM2.5, Hg
Friday April 1, 2005

In an effort to eliminate the steadily growing list of individual removal technologies currently used in series, Germany-based Process Engineering Associates (PEA) has developed an efficient and economical solution known as a "Tower Plant" that removes ...

Tuesday February 1, 2005
The Need For In-Situ Pipe Support Testing
Tuesday February 1, 2005

Pipe support functionality is critical to the long-term life of piping systems. Spring supports degrade with time due to flexing in the spring and wear in constant support bearings. It is not unusual to measure constant support hangers with resistance ...

Boiler Auxiliaries
Properly Maintained Boiler Auxiliaries Boost Plant Efficiencies, Yield Cost-Effective Operation
Tuesday February 1, 2005

(This article is second in a series of three. The first article, "Boiler Auxiliaries: Select Correct Auxiliary Equipment for Efficient, Cost-Effective Boiler Operation," can be located at www.energy-tech.com)

Turbine Component Root Cause Failure Analysis
How Combustion Monitoring Can Help You
Tuesday February 1, 2005

The development of advanced premix burners has paved the way for dry low NOX combustion. The very lean mixtures of air and fuel in modern burners lead to lower flame temperatures, drastically reducing the thermal production of nitric oxides. ...

What to Look for in a Vibration Consultant
Tuesday February 1, 2005

The following provides an introduction to vibration analysis technology and methodology with a focus on what to look for in a vibration analysis consultant. Many corporations today are looking to outsource machinery condition monitoring programs, ...

Condition Monitoring
Key Control Action Technology Provides Effective Power Plant Operation
Tuesday February 1, 2005

Unplanned or corrective maintenance of power industry equipment remains one of the most significant operations and maintenance (O&M) expenses, sometimes resulting in unplanned outages and reduced financial margins due to increased replacement ...

Detecting an AC motor bearing Problem
An Example of Bearing Wear – Inner Race Fault
Tuesday February 1, 2005

The aim of this article is to point out and explain the evidence of a bearing problem in an AC motor. Both demodulated and spectral data is used, and brief explanations are given as to how to interpret the data. It should be noted that this analysis ...

Wednesday December 1, 2004
Achieving Maximum Business-Continuity Protection in the Utility, Energy Sector
Wednesday December 1, 2004

For companies operating in the utility and energy industries, not having a comprehensive business continuity plan isn't an option. Governed by strict regulations and standards, and the requirement to provide continual ...

Integrated Systems Monitor Combustion Products, Manage Critical Process Variables
Wednesday December 1, 2004

EPA regulations require the use of continuous emissions monitoring (CEM) systems for all new power plants as well as for many existing plants. Such systems provide valuable inputs about combustion products across the furnace.

Friday October 1, 2004
Pump Guy: Take the PUMP GUY Challenge!
Friday October 1, 2004
Take the Pump Guy Challenge: What's wrong with this picture? The first person to answer correctly will win a free copy of Larry "The Pump Guy" Bachus' pump course workbook, Centrifugal Pumps, And Everything ...
Cycling of Combined-Cycle Plants
Friday October 1, 2004

Combined-cycle plants are an advanced new technology with the ability to generate megawatts using clean fuel natural gas. Combined-cycle power plants' normal design used to ...

Turbine Inlet Chilling
Friday October 1, 2004

For Combined-Cycle Plant

Brazos Valley
Texas

Introduction

Turbine Air ...

Is Your Fuel Gas Compressor a Mover or a Shaker?
Friday October 1, 2004

There has been an increase in construction of gas-fired power plants around the world; in particular, the combined-cycle power plants that utilize gas turbine-driven generators in conjunction with steam turbine-driven generators. The increased popularity ...

Turbine Inlet Cooling Sucess Stories, By Technology
Friday October 1, 2004

TIC is cooling of the air before it enters the compressor that supplies high-pressure air to the combustion chamber from which hot air at high pressure enters the combustion turbine. The primary reason TIC is used is to enhance the power output of ...

Evaporative Cooling
Friday October 1, 2004

For Cogeneration Plant

Hunts Bay Power Station
Kingston, Jaimaica

Introduction

Is Cogeneration For You?
When Calculating Project Costs Include Costs of All Externals
Friday October 1, 2004

Cogeneration-the process by which two or more forms of energy are produced from a single heat source-is generally touted for the high efficiencies of its components combined with the use of low cost fuel, resulting insignificant energy cost savings.

Large ...

Sunday August 1, 2004
Heat Exchanger Tube Side Maintenance
Repair vs. Replace
Sunday August 1, 2004

Traditionally, when tube defects are found in shell and tube heat exchangers, the tubes are plugged. When the number of tubes plugged or the impact of plugging becomes too great, the heat exchanger is replaced. Replacing or retubing ...

Clean & Efficient Coal-Fired Power Plants
Developments Toward Advanced Technologies
Sunday August 1, 2004

The first power plants were built about 125 years ago, and since then the main fuel source has been and still is coal. At the turn of the last century, coal-fired power plants had a net plant efficiency of about 15 percent. Today, ...

A Perspective on the U.S. Electric Power Industry
Problems, Solutions & Needs
Sunday August 1, 2004

 

We all know that the U.S. electric power industry is one of the best ...
Shutdown Planning Tips
Six Steps to Shorter Shutdowns
Sunday August 1, 2004

It was far easier planning a plant shutdown before deregulation. Utilities could plan far in advance, frequently had their own in-house repair crews, and could pass any costs on to the customers. But that's no longer the case. Now, every time a plant ...

Avoid the Shutdown Blues
Learn from the Experts and Help Your Scheduled Outage Run Smoother, Quicker
Sunday August 1, 2004

New Orleans rhythm and blues legend Dr. John (Mac John Rebennack) understands what maintenance managers run into in trying to coordinate all the equipment, materials, and personnel needed for a plant overhaul. As he explained it in his ...

ASME Call for Papers
Sunday August 1, 2004
McCormick Place Convention Center, Chicago
April 5-7, 2005

ASME POWER and ELECTRIC POWER have partnered to create the only show ...

Tuesday June 1, 2004
A Synopsis of Cooling Tower Pump Sump Modeling Experience
Tuesday June 1, 2004

The recent deregulation of many markets within the power industry has led to a surge in new power plant construction. To maximize control and operational flexibility, as well as minimize impacts from drought and changing water ...

Blade Attachment Stress Corrosion Cracking Repair Techniques
Migrate from Nuclear Plants to Steam Turbines
Tuesday June 1, 2004

Every now and then you hear another story of a celebrity cracking under the stress of being a star, prematurely ending an otherwise promising career. But this problem isn't limited to those living in the limelight. Stress can also end ...

Boiler Auxiliaries
Select correct auxiliary equipment for efficient, cost-effective boiler operation
Tuesday June 1, 2004

The central element in today's modern thermal power station is the steam generator, or boiler, for producing electric power and providing steam for a variety of process and heating applications.

A boiler's primary ...

Cutting Edge O&M Diagnostic Tools Provide Improved RAM in Advanced Turbine Systems
Tuesday June 1, 2004

Neither turbine manufacturers nor systems owners have yet to develop comprehensive monitoring and diagnostic techniques for new advanced combustion turbines - aimed at improving reliability, availability, and maintainability (RAM), ...

On-Line Failure Vs. Preventative Maintenance
A Look at Two Generator Stator Core Failures
Tuesday June 1, 2004

Two generator stator cores failed in a six-month time span: one failed on-line creating a forced outage situation, and the other had a 180-milliamp indication on an ELCID test during a routine test and inspection. The stators were similar in design ...

Distributed Generation
DG Systems Offer Reliability, Efficiency, Reduced Emissions, Power Security
Tuesday June 1, 2004

Distributed generation (DG) is analogous to the Internet that connects mainframes to client-server networks, peer-to-peer local area networks, and stand-alone home computers.

A new power ...

Gas Burner System Checklist
Tuesday June 1, 2004

1.   Set burner use patterns (for boilers with multiple burners) for maximum efficiency where load conditions do not require the use of all burners at all times. Consider seasonal outside temperatures ...

Thursday April 1, 2004
Air-Fuel Ratio Control For Rich & Lean Burn Gas Engines
Ross Fisher
Thursday April 1, 2004

Years ago, before exhaust emissions were a concern, the natural gas engines used mainly by the natural gas industry were designed to run with excess air. The air-fuel ratio controllers were mechanical devices that were ...

Optimizing Boiler Efficiency
Boiler Efficiency Calls for Heat Loss Cuts, System Insulation & Modifications
Thursday April 1, 2004
Steam power boilers are the key equipment for electric utility generation and industrial cogeneration-directly influencing the economy, safety, and stability of a facility's overall power production.

Cogeneration Systems Promise Multiple Benefits
Energy Efficiency, Environmental & Economic
Joseph A. MacDonald
Thursday April 1, 2004

Steadily escalating energy prices over the past three decades have upset the traditional economies of scale that justified the building of more and larger power plants. As a result, today's owners ...

Another Huge Year for U.S. Wind
Thursday April 1, 2004
  The year 2003 was huge for the wind industry in the U.S. Over 1600 MW was installed - this means that wind power now provides enough power for about 1.6 million American households. According to the American Wind Energy Association ...
Cooling Tower Operation Heat Transfer Systems
Thursday April 1, 2004

Heat exchangers are an integral component of power plants, and many heat transfer systems have as their heart a cooling tower. In the United States alone, over 300,000 cooling towers are in service, and this number is expected to grow, especially ...

Case Study
The University of North Carolina at Chapel Hill
Thursday April 1, 2004

Background

Energy services at the University of North Carolina at Chapel Hill (UNC-CH) are provided by an onsite, university-owned and operated combined heat and power plant. ...

Fiber Reinforced Polymers For Rehabilitation of Power Generation Components
Thursday April 1, 2004

Deterioration of components and structures at power generating facilities has caused unscheduled plant outages, personnel safety concerns, and significant impact on operating budgets. However, a new technology ...

Case Study
Malden Mills
Thursday April 1, 2004

Background

Malden Mills, a family-owned textile mill based in Lawrence, Mass., has annual sales of $400 million and is the exclusive producer of Polartec® and Polarfleece® synthetic ...

Case Study
The College of New Jersey
Thursday April 1, 2004

Background

The College of New Jersey (TCNJ) is located in Ewing, N.J., and is part of New Jersey's state system of higher education. The campus occupies 340 acres and has a ...

Sunday February 1, 2004
Steam Jet Air Ejector Performance Evaluation
Komandur S. Sunder Raj
Sunday February 1, 2004

Steam jet air ejectors (SJAEs) are utilized to create and maintain condenser vacuum by removing free air and other non-condensible (NC) gases saturated with water vapor from the condenser. Following initial evacuation using hogging ...

Case Histories of Generator Rotor Fan Failures & Methods of Repair
William G. Moore
Sunday February 1, 2004

Generator fans circulate cooling gas (air or hydrogen) throughout the machine to maintain the electrical windings at safe operating temperatures. Fans vary considerably in design features, dimensions, and materials. Some machines incorporate a fan ...

Combined SO2/NOX Removal Processes Yield Lower Costs, No Waste, Salable By-Products
Joseph A. MacDonald
Sunday February 1, 2004

This is the third in a series of four articles on emissions control. The first article appeared in the October 2003 issue and examined power plant NOX emissions reduction technologies ...

Thursday January 1, 2004
The Economics of Controls Modernization for Steam Power Plants
Assessing the value of updating and enhancing distributed control systems
Thursday January 1, 2004

Steam power plants are often in operation for 40 years or longer. During that time, new controls technologies evolve and outpace the older controls systems; plant control systems can become outdated and require ...

Remote Monitoring Systems & Controls
Drew Robb
Thursday January 1, 2004

There's that old standard image of the Hollywood producer lounging by the side of his swimming pool, managing his media empire by phone. Though power plant operators can't work that way, at least not yet, monitoring and ...

Tips for Turbine Control Retrofits
Joe Zwers
Thursday January 1, 2004

Installing new controls on steam or gas turbine generators can improve output, reduce emissions, and help prevent unscheduled downtime through better insight into how the equipment is performing at any given time ...

Monday December 1, 2003
Advanced Turbine Breakthroughs Yield Higher Efficiencies, Lower Emissions & Power Costs
Joseph A. MacDonald
Monday December 1, 2003

The global electric power industry ushered in a new era of electricity generation this past September when the world's first gas turbine, combined-cycle system capable of achieving 60 percent thermal efficiency began commercial operation ...

Power Plant Emissions Controls
SO2 Removal Technologies & Systems
Joseph A. MacDonald
Monday December 1, 2003

The October issue of Energy-Tech examined power plant NOx emissions reduction technologies and systems. This article covers the technologies and systems currently used in removing SO

Environmental Software Packages
Monday December 1, 2003

There are several emissions/pollution control software packages available to power generation personnel. The few detailed here are categorized under Air Emission Inventories & Data Management, Air Pollution Modeling ...

Emergency Planning
The Key to Restoring Damaged Power Plant Systems and Services Quickly, Safely
Joseph A. MacDonald
Monday December 1, 2003

The following guidelines will help owners/operators of power generation plants develop effective emergency plans for responding to system damages, services failures, or natural disasters; and implement well-coordinated strategies ...

Air Pollution Control Acronymns
Monday December 1, 2003

A&C: Abatement and Control

AAEE: American Academy of Environmental Engineers

Wednesday October 1, 2003
Cycling Tolerance – Natural Circulation Vertical HRSGS
Pascal Fontaine
Wednesday October 1, 2003

The U.S. is currently making a "double jump" in its HRSG requirements. With the onset of deregulation and consequent merchant power, combined cycle plants are now required to supply electrical power to the grid as needed ...

Power Plant Emissions Controls NOx Reduction Technologies & Systems
Joseph A. MacDonald
Wednesday October 1, 2003

Steadily tightening federal and state government regulations for allowable pollutants that can be discharged into the atmosphere have created an incentive for the power generation industry to find new cost-effective means to reduce power plant flue ...

Selective Catalytic Reduction of NOx at PPL’s Montour Steam Electric Station
Darryl Haag
Wednesday October 1, 2003

The Montour Steam Electric Station, located about a mile northeast of Washingtonville, Pa., is a two-unit coal fired plant with a combined output of 1,525 megawatts. Originally built in the 1970s, it has been modernized several times with the ...

Building a PM Program Brick by Brick
Michael V. Brown
Wednesday October 1, 2003
Which came first, the PM program or the emergencies? I once casually asked an 85-year-old woman how she kept her large old farmhouse so clean. Expecting a simple "Thanks" for the compliment, I was surprised when she began to explain ...
A Guide to Third-Party Operations & Maintenance Services
STAFF
Wednesday October 1, 2003

Advantages

• The biggest advantage is flexibility. Outsourcing enables a power plant manager to recruit and dissolve a large workforce quickly.

• Ability to fluctuate ...

How to Choose CMMS Software
STAFF
Wednesday October 1, 2003

Computerized Maintenance Management Systems (CMMS) are increasingly being used to manage and control plant and equipment maintenance in modern manufacturing. CMMS have become essential to power plant operations to determine how best ...

General Land Office
STAFF
Wednesday October 1, 2003

By April 2004, the Texas General Land Office (GLO) will have leases available for wind power generation or exploration on state-owned lands. That's the announcement made on October 23, 2003 by Jerry Patterson, Commissioner of the Texas General Land ...

Monday September 1, 2003
Steam Turbine Types & Designations
Joseph A. MacDonald
Monday September 1, 2003

(Also see Joe MacDonald's feature article in the August 2003 issue of Energy-Tech magazine on "Increasing Steam Turbine Power Generation Efficiency.")

There are many types of steam turbines with various designations describing the possible ...

Turbine Provides Renewable Energy Source
STAFF
Monday September 1, 2003

When the new 12-kilowatt wind turbine was unveiled on June 26 at the Field Museum in Chicago, it marked an important milestone for an interprofessional team of students from the Illinois Institute of Technology (IIT).

In the fall of 2001, ...

How Do We Minimize Future Blackouts?
John Kraft
Monday September 1, 2003

The recent blackout in the northeastern United States and Canada should be a wake-up call for the power industry and regulators. The blackout covered over 9,000 square miles and affected over 50 million people. The problems that led to such a massive ...

Hydraulic Institute Introduces First Industry Web-Based Education Program
STAFF
Monday September 1, 2003

The first comprehensive e-learning program for the pump industry, entitled "Centrifugal Pumps: Fundamentals, Design and applications," is now available from the Hydraulic Institute (HI). This new computer-based training (CBT) course, in web-based ...

Friday August 1, 2003
Pump Guy: Pump Packing's Obituary
Larry Bachus
Friday August 1, 2003
PLEASE HOLD FOR RELEASE

If an elderly movie star, TV personality, or musician dies at 4 o'clock in the afternoon, we'll see a complete obituary on the 6 p.m. evening news with the star's biography and accomplishments. How did the ...

Increasing Steam Turbine Power Generation Efficiency
Joseph A. MacDonald
Friday August 1, 2003

(This article accompanies "Upgrading Power Plant Efficiency," which appeared in the June 2003 issue of Energy-Tech magazine.)

With more than 1,300 steam-turbine power plants in the country at least 30 years old, electric utilities ...

Heat Recovery Steam Generators: Operation, Availability & Dependability
Joseph A. MacDonald
Friday August 1, 2003

Improvements in efficiency and reliability have made gas turbines a major factor for expanding power plant capacity. And, adding a heat recovery steam generator (HRSG) and Rankine steam cycle can increase overall combined-cycle thermal efficiency ...

Balance of Plant & Turbine Modifications: A Look at JEA's Northside Generating Station Repowering Project
Mindy H. Grinnan
Friday August 1, 2003

This article covers the Balance of Plant and Turbine modifications that were made at JEA's Northside Generating Station, Jacksonville, Fla., to increase the output of Units 1 and 2 from 275 MWe each to 297.5 MWe each while maintaining 1996 limits ...

Controlling Vibration & Shock in Manufacturing Equipment
Friday August 1, 2003

Using the right mounts to isolate and dampen dynamic loads can directly lead to improvements in production performance, equipment life, and profitability.

Dynamic loads, and the resulting vibration or shock, are a fact of life with ...

Applications for Ultrasonics' Leak Detectors
Alan S. Bandes
Friday August 1, 2003

During a routine inspection scanning for air system leaks atop a building in a sprawling complex (Entergy Inc.'s Little Gypsy facility), Senior Technical Specialist Robert J. Delaune happened to point his ultrasonic instrument at a pipe several hundred ...

Mechanical Seal Q&A
William McNally
Friday August 1, 2003

Q:What is considered good life for a mechanical seal?

A:The only part of a mechanical seal that is supposed to be sacrificial is the carbon face. The seal should run leak-free until the carbon face is worn away. If the ...

Choosing the Right Valve for Your Equipment & Application
Valve Manufacturers Association of America
Friday August 1, 2003

The task of finding the right valve can be daunting, and there are hundreds of valve manufacturers producing many different types of products. The key, however, is to identify your exact valve requirements. So the next time you ...

Choosing Mechanical Seals: Top 10 Most Important Design Features
William McNally
Friday August 1, 2003

A mechanical seal should operate leak-free until the wearable face (normally carbon) is worn smooth. Ninety percent of mechanical seals leak prematurely, and surprisingly seals fail for only two reasons:

A. One of the seal components becomes ...

Machinery Vibration & Your PLC
Friday August 1, 2003

For expensive rotating machinery, there is often a need to identify a problem before it occurs since catastrophic failures are often orders of magnitude more costly than planned repairs. In-place vibration monitoring systems can be a simple and cost-effective ...

Sunday June 1, 2003
ASME Books
Boiler and Pressure Vessels Code
Sunday June 1, 2003

The  2001 Complete Set

The following products are contained in this package:

#S00010 BPVC-I 2001: BPVC Section I-Power Boilers

#S00011 BPVC-XI 2001: pvc Section XI - Rules For Inservice Inspection ...

Turbine Performance-Enhancement Options Boost Power Plant Output, Efficiency
Joseph A. MacDonald
Sunday June 1, 2003

Among the many challenges that developers of new, as well as owners and operators of existing, combined-cycle gas turbine power plants face in today's highly competitive power market, is the optimization of plant performance and revenues, especially ...

Internal Pipe Seals for Repair of Pipe Fittings and Expansion Joints
John A. Charest
Sunday June 1, 2003

A method of arresting piping corrosion and leaks known as "Internal Mechanical Pipe Seals" has been used in municipal piping systems for over 35 years. Over the past five to 10 years this repair technology has been utilized by cost conscious power ...

A Method for Evaluating Market Value of Turbine Gaspath Component Alternatives
Fred T. Willett
Sunday June 1, 2003

An economic model was developed to evaluate gas turbine component alternatives for base-load combined cycle operation, cyclic-duty simple cycle operation, and peaking-duty simple cycle operation. Power plant operator value of alternative replacement ...

Tuesday April 1, 2003
Basic Techniques of Plant Maintenance
STAFF
Tuesday April 1, 2003

Plant maintenance activities generally fall into one of five broad
categories.

Run To Failure

This method is exactly as the name implies; equipment is run until it fails. While not an optimum strategy, it can be relatively ...

Motors & Alternators for High Speed Applications
STAFF
Tuesday April 1, 2003

Introduction:

A rotating electric machine is an energy converter; we call it a motor when electrical energy is converted to mechanical energy, and an alternator when the conversion is reversed. In either case, the electric machine may ...

Challenges and Solutions to Workforce Qualifications at Power Generation Facilities
Russ Garrity
Tuesday April 1, 2003

There is no arguing that the power generation industry has changed significantly over the past two decades. There is also little doubt that the industry will continue to evolve as the process of deregulation moves forward. Most experts agree that ...

Tomorrow's Turbines
Department of Energy
Tuesday April 1, 2003

Of the next 1000 power plants to be built in the United States, as many as 900 of them are likely to use natural gas turbines.

Once used solely in aviation applications, the gas turbine has evolved into a workhorse in industry and has become ...

Applying the Predictive Approach
Michael V. Brown
Tuesday April 1, 2003

Definition of Predictive Maintenance - Predictive maintenance (PDM) compares the trend of measured physical parameters against known engineering limits for the purpose of detecting, analyzing, and ...

Combustion Characteristics of Ammonia–Nitric Oxide Mixture
Rui Liu
Tuesday April 1, 2003

ABSTRACT

The combustion characteristics of premixed ammonia-nitric oxide mixtures at atmospheric and elevated conditions were numerically examined. The laminar burning velocity, flame temperature and flammability limits were ...

Advanced Turbine Projects for the Future
Tuesday April 1, 2003

System studies to date indicate that fuel cell/turbine hybrids could realize a 25 percent increase in efficiency and 25 percent reduction in cost for a comparably sized fuel cell.

The synergy realized by fuel cell/turbine hybrids derives primarily ...

Saturday February 1, 2003
Improving Duct Burner Performance Through Maintenance and Inspection
John H. Conroy
Saturday February 1, 2003

There are many factors that affect duct burner performance and reliability. These include the turbine exhaust gas environment; exhaust gas composition, and other factors such as the internal duct pressure. Recent trends in the gas turbine ...

Performance Improvements at the Boardman Coal Plant
David A.T. Rodgers
Saturday February 1, 2003
Click here to read this article
Sunday December 1, 2002
Controlling the NOx After the Burn
Post-combustion reduction technologies successfully control NOx flue-gas emissions
Joseph A. MacDonald
Sunday December 1, 2002

Fossil-fueled electric power generation plants emit combustion gases to the atmosphere that may contain pollutants in the gas phase, or as suspended solids, or liquid particulates. One such gas is NOx, the product of every air-fed combustion process.

NOx ...

Friday November 1, 2002
New Technology Knocks Out NOx
Low NOx Burner Systems Help Meet the New Emissions Guidelines
STAFF
Friday November 1, 2002

Nitrous Oxide is an inevitable byproduct of traditional energy production. When nitrogen and oxygen are combined at high temperatures, they form NOx. Unfortunately, NOx is classified as a major greenhouse gas contributing to global warming. When released ...

Tuesday October 1, 2002
Advantages & Disadvantages of Outsourcing O&M Services
Joseph A. MacDonald
Tuesday October 1, 2002

Based on documented successes of other industries, many power producers today are contracting with outside companies, or forming alliances with OEM and equipment suppliers, to provide power plant operations and maintenance (O&M) services - from ...

FORTY YEARS OF COMBINED CYCLE POWER PLANTS
Lothar Balling
Tuesday October 1, 2002

Introduction

Even though the first installations of combined cycle power plants with heat recovery steam generators (HRSG's) are only about forty years old, the first attempt to build gas turbines for power generation was ...

Field Monitoring of Steam Turbine Corrosion Problems
Otakar Jonas
Tuesday October 1, 2002

This article describes typical steam turbine problems and the monitoring techniques developed and used for the determination of corrosive conditions and detection of exfoliated oxides (which cause solid particle erosion) and deposits (which build ...

Sunday September 1, 2002
Steam Turbine Power Plants Can Reap Big Benefits from Small Investment to Stop Air Leakage
Ed Sullivan
Sunday September 1, 2002

While US power generation providers, industry wide, constantly strive to maximize the efficiency and reliability of existing facilities to meet customer demand and reap the premium prices of selling to the grid, most might ...

Extending the Service Life of Piping Systems Through the Application of Viscous Fluid Dampers
Frank Barutzki
Sunday September 1, 2002

Introduction

Practical experience in power plants shows that the reliability and life expectancy of piping systems are largely determined by their dynamic characteristics and behavior. Dynamic loads are experienced during normal, continuous ...

Thursday August 1, 2002
Merchant Power Risk Analysis Pegged to Project Structure Complexity
Joseph A. MacDonald
Thursday August 1, 2002

Analysis of merchant project risks is simply an evolution of the fundamental analysis traditionally taken for rating integrated utilities and independent power projects, based on the assessment of technology, construction, fuel supply, operations ...

Advanced Automation, Information Technology
Keys to Optimizing Power Plant Operation
Joseph A. MacDonald
Thursday August 1, 2002

Today's competitive electric power environment, with its more efficient facilities, has placed renewed emphasis on optimizing power generation operations. A vital step toward achieving the requisite power plant efficiency is the implementation ...

Remote Monitoring When North America Powers South America
STAFF
Thursday August 1, 2002

The explosion of telecommunications technology has resulted in changes and opportunities for the energy industry. Just as one person can telephone another across the globe, engineers can monitor and control equipment in a variety of locations far ...

Report on 25 Years Experience with High Performance Stainless Steel Tubing in Power Plant Steam Condensers
Curtis Kovach
Thursday August 1, 2002

The first application of one of the new high performance stainless steels, a 6% molybdenum austenitic stainless, in a power plant condenser application took place in 1973. Since that time, additional grades have been developed and more installations ...

Monday July 1, 2002
Distributed Generation
Mike Scott
Monday July 1, 2002

As the dynamics of power and electricity change in the coming years, the term "distributed generation" will be widely used in the industry and media. More importantly to consumers, distributed generation may become the standard way to bring power ...

Combined-Cycle Cogeneration Plant Key to High-Efficiency Electricity Production
Joseph A. MacDonald
Monday July 1, 2002

Electric utilities historically have met base-load requirements with high-efficiency fossil-fuel steam powerplants or nuclear power facilities. When utilities built new units, the machines were assigned to base-load service and expected to operate ...

Multiple Power Sources Prevent Shortages
Industry needs reliable power and it finds it from multiple sources.
STAFF
Monday July 1, 2002

Business and industry are increasingly looking for alternatives to the grid for their power. The reasons are varied: attempts to cut utility bills, the need for uninterrupted electricity and uncertainty over the course of deregulation. As the need ...

Saturday June 1, 2002
Prevention of Compressor Failure with On-Line Monitoring
Howard L. Malm
Saturday June 1, 2002

Failure prevention has proven to be a superior strategy to failure detection and correction for reciprocating compressor rods. The REMVue compressor cylinder monitoring system has shown this clearly.  In the words of Steve Kozak, ...

Contracts, Agreements, and Insurance Combine to Mitigate Power Project Risk
Joseph A. MacDonald
Saturday June 1, 2002

Structuring successful power project finance depends, primarily, on the strengths of the project itself. The first step required of a project developer, therefore, is to accurately identify the project's risks and then analyze, allocate, and mitigate ...

Evaluating Alternative Financing Instruments for Developing Electric Power Generation Projects
Joseph A. MacDonald
Saturday June 1, 2002

As project-financing techniques have grown in recent years, so too has the array of financial instruments to meet the growing needs of project financiers. The choice of financial instruments available today to a borrower varies with the type of project ...

Monday April 1, 2002
Improving Power Plant Systems Improves Efficiencies, Minimizes Pollution Emissions
Joseph A. MacDonald
Monday April 1, 2002
Most electric utility-related environmental regulation, today, is directed at reducing emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) as well as particulate matter, fly and bottom ashes, wastewater, and other pollutants. Emissions of carbon ...
Friendly To The Environment?
Catherine Rudolph
Monday April 1, 2002

While recent public conversation about energy has focused on the Enron debacle, price fixing, and conspiracy theories, a less obvious debate has gone on among thoughtful people involved in power generation. This quiet conversation suggests that energy ...

Nuclear Power Bids For Wider Acceptance
STAFF
Monday April 1, 2002
After more than two decades of stalled growth in the United States,  nuclear power is poised to make a comeback. Environmental concerns, increased energy needs and the hobgoblin of international politics are driving the current ...
Friday March 1, 2002
Condition Monitoring of Steam Turbines by Performance Analysis
Ray Beebe
Friday March 1, 2002
Steam turbine generators are reliable machines and often operate continuously for many months. However, this very reliability has a potential downside. Operation at steady outputs can lead to deposition from the steam on the fixed and moving blades. ...
Enterprise Energy Management
Brad Forth
Friday March 1, 2002

The evolving global energy environment is more closely connecting the needs of large industrial, commercial and institutional energy consumers with those of power utilities and energy services companies. In some regions, deregulation of the electricity ...

Best Practices Strategies Help Improve Power Plant Performance and Revenues
Joseph A. MacDonald
Friday March 1, 2002

Effective, reliable operation of a power plant requires optimizing the facility's availability and intended functionality through "best practices" strategies. Among these is the adoption of reliability-based maintenance (RBM).

Such a strategy ...

Friday February 1, 2002
Minimizing Environmental Impacts Ensures Profitable Power Projects
Joseph A. MacDonald
Friday February 1, 2002
Over the last 20 years, environmental impacts in developing power generation plants have been recognized as significant issues in obtaining finance for the projects, and ensuring their successful completion. This is because:
  • Environmental legislation ...
Managing Many Insurances For Power Plant Construction Operation
Joseph A. MacDonald
Friday February 1, 2002
Because of the wide variety of risks inherent in power plant construction and operation, risk sharing by contractor provisions or by insurance should be carefully evaluated to protect the equity from a failure or interruption of revenue receipts.

Many ...

Inlet Air Cooling Systems Boost Combustion Turbines' Output
Joseph A. MacDonald
Friday February 1, 2002
Combustion turbines are mass flow engines with their power output dependent on the properties of air flowing through the engine. As the inlet air temperature increases, its density, and therefore the mass flow through the turbine decreases.

Cooling ...

Planning For Outage Season
In today's world, an outage may be as soon as next month. Scheduling an outage has become a fine art.
STAFF
Friday February 1, 2002

Once upon a time, plant maintenance personnel could rely on the good-old-fashioned rule of thumb to schedule a maintenance outage. Unless there was a specific cause for alarm, a turbine could be shut down every five or six years for maintenance. The ...

Saturday December 1, 2001
When Do You Schedule a Turbine Outage?
John Latcovich
Saturday December 1, 2001

Deciding the optimum intervals between steam turbine generator outages is a question that has been vexing plant managers for a long time. Frequent outages can hit your bottom line hard. However, if you wait too long to perform an outage, you can be ...

OEM's Role On Power Project Team
More Than Just Equipment Supplier
Joseph A. MacDonald
Saturday December 1, 2001
Determining the most cost effective solution in planning and developing a power project requires sound and extensive knowledge of market needs. And, of all the participants in power project development, none is more qualified or more knowledgeable than ...

 

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