Power Engineering Table Of Contents |  |
November 2006
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Get Ready
The world’s biggest power generation exhibition starts November 27 in Orlando
Rx for Cooling Towers
Evaporative cooling has largely withstood the test of time, both in terms of cost efficiency and overall performance.
High Purity Water Standards
Verifying the accuracy of critical conductivity measurements
Don’t Blow Money: Make the Correct Fan Airflow Regulating Choice
Power plants that regulate fan airflow with mechanical controls may be blowing their money away.
Generator Bushing Maintenance: Designs & Renovation
A generator bushing can be the weak link in the electricity supply chain. It is generally anticipated to be maintenance free but several clues prior to failure must be watched.
Coal
(What Your Parents Never Taught You…)
Making Waves
Minnesota Power’s Approach to Employee Training
Help for the Down and Out
The decade-old Utilities Service Alliance serves as a model for managing outages
Deaerator Shell Perforation by FAC
The harmful effects of flow accelerated corrosion can be mitigated by evaluating key components, such as the deaerator and associated piping
Using Biology to Treat Selenium
Biologically treating scrubber wastewater can be an attractive alternative to physical-chemical treatment.
A Guide to Coal Chute Replacement
Good material flow can reduce coal yard maintenance and operational problems
Retrofitting Lube Oil Coolers at Progress Energy’s Lee Plant
Unit 1 of Progress Energy’s Lee Plant, in Goldsboro, NC, was installed in 1952 with a Westinghouse RT646 turbine rated at 84 MW.
Seeing the Big Picture in the 21st Century
Today’s enterprise management software can maximize design, build, operate and dispatch activities for generating assets.
DOE/NETL’s Advanced NOx Emissions Control Technology R&D Program
Efforts are underway to provide more cost-effective options for coal-fired power plants to meet stringent emissions limits.
More Than Skin Deep
A cosmetics scare in China and a 28,000-foot-deep hole in the Gulf of Mexico. Both have implications for the North American power industry.
Nuclear Industry Petitions Congress
Retired admiral Skip Bowman, president and chief executive officer of the Nuclear Energy Institute (NEI), outlined the nuclear industry’s public policy needs to the Energy and Water Development Subcommittee of the House Appropriations Committee in testimony September 13.
The Financial State of Renewables
The industry is experiencing the accelerated growth that the renewable energy community has been predicting, and hoping for, for three decades.
Modeling New Coal Projects: Supercritical or Subcritical?
Decisions made on new-build coal-fired plants are driven by several factors—emissions, fuel logistics and electric transmission access all provide constraints.
Corrosion Protection Pays Off for Coal-Fired Power Plants
One of the fundamental questions confronting power generation plant maintenance engineers and managers is not what corrosion protection system to specify but how much money to invest upfront to minimize or eliminate recurring maintenance.
Wind Farm’s Welded Electrical Connections Install Quickly and Save Money
Named after a red brick schoolhouse, the Klondike Wind Farm is located in Sherman County, Ore.
Pre-Outage Water System Audit Can Prevent Headaches
An uninterrupted supply of high-quality water is vital to power plant operations.
Control System Upgrade Improves Pagbilao Power Plant Reliability, Availability
Pagbilao power station Units 1 and 2 recently completed a project to upgrade and unify combustion, turbine control and burner management systems with Emerson Process Management’s Ovation expert control system.
Oil Proves Durable in Cogen Application
In 1999, the Eastman Co.’s Texas operations celebrated its 50th anniversary and announced an agreement with CSW Energy Inc. to construct and operate a 440-MW cogeneration facility at its Longview, Texas, site.
Getting IGCC a Seat at the Table
A dominant theme heard at the Gasification Technologies Conference in Washington, D.C. in early October was how all parties need to step up to assure integrated gasification combined cycle (IGCC) technology finds a place at the power generation table.
California’s Low-Carb Diet
California Governor Arnold Schwarzenegger signed a bill in late September setting the ambitious goal of reducing by 2020 greenhouse gas emissions (GHG) by approximately 25 percent to 1990 levels.
Peabody/CMS Partner on Prairie State Plant
CMS Energy has signed agreements with Peabody Energy to co-develop the Prairie State Energy Campus, a 1,600 MW mine-mouth coal plant and mine in southern Illinois.
NERC Issues Worrisome Assessment
Unless change comes quickly, North America’s electric system may soon decline, according to an assessment from the North American Electric Reliability Council (NERC).
Settlement Doesn’t Affect IGCC Status as BACT
A proposed settlement announced by the U.S. Justice Department in October between the U.S. Environmental Protection Agency (EPA) and several environmental organizations including Environmental Defense and the Montana Environmental Information Center, does not affect the determination of whether or not integrated gasification combined cycle (IGCC) technology is best available control technology (BACT).
Construction & Contracts
Shaw Stone and Webster along with consortium partner Alstom Environmental Control Systems have received an EPC contract from Duke Energy Carolinas to retrofit the coal-fired units at the Allen Steam Station in Gaston County, N.C., with FGD units.
Mergers & Acquisitions
Tenaska Power Fund will acquire 3,145 MW of gas-fired power assets from Constellation Energy for more than $1.6 billion.
Business Briefs
TXU will spend $353 million to retrofit existing coal-fired units in Texas with additional air quality control systems.
Personnel & Promotions
Neville Holt of EPRI and Pier Zuidevelf of Shell Global Solutions International are co-recipients of the Gas Technology Council’s 2006 Lifetime Achievement Award.
Retrofitting Comes in Small Packages
CAIR is coming, and it’s influencing the fate of over 400 smaller, aging coal-fired plants.
EPA’s New PM Standards
The U.S. Environmental Protection Agency (EPA) announced its adjustments to the national air quality standards in late September after a mandatory five-year review process.
SRP Wants Mohave Back in Service
Salt River Project (SRP) is seeking a new ownership group and wants to increase its stake in the currently closed Mohave Generating Station as part of its efforts to reopen the power plant near Laughlin, Nev., perhaps by 2011.
AEP to Pursue Texas Transmission
By early next year, American Electric Power (AEP) plans to have in place a joint venture company to fund and own new electric transmission assets in Texas.
Fuel Cell/Microturbine Hybrid Will Lead to Utility Applications
Mitsubishi Heavy Industries (MHI) has successfully tested a combined-cycle power generation system incorporating solid oxide fuel cells (SOFC) and a micro gas turbine (MGT), also known as a microturbine (Figure 1).
Solar Plant Opens on Former Industrial Site
The former site of the Brockton (Mass.) Gas Light Company gas works is now home to a 425 kW photovoltaic (PV) installation.
PPL Seeks Nuclear Capacity Boost
PPL Susquehanna has filed a request with the U.S. Nuclear Regulatory Commission (NRC) to increase the amount of electricity its nuclear power plant can generate.
Entergy Unit Files Reorganization Plan
In compliance with Chapter 11 bankruptcy laws, Entergy New Orleans, a unit of Entergy Corporation, filed its proposed plan of reorganization with the U.S. Bankruptcy Court for the Eastern District of Louisiana.
Field Testing New “Super” Boiler
Gas Technology Institute (GTI) is developing a new industrial steam-generation system that provides increased efficiency, reduced emissions and lower fuel costs than steam systems presently available.
California Gets MW-Class Hydrogen Fuel Cell Plant
California has its first megawatt-class hydrogen fuel cell cogeneration plant. The fuel cell plant transforms hydrogen from natural gas into electricity and water without combustion and captures waste heat to improve efficiency.
Home Generator Sales Surge in U.S.
American homeowners hopng to avoid interruptions to their increasingly electricity-dependent lifestyles are buying more home backup power systems than ever before.
On-Site Power Cures Energy Ills
State-of-the-art energy systems are becoming increasingly common in medical facilities across the U.S. Hospitals’ requirements for power, thermal energy and emergency stand-by power, coupled with their load profiles, provide significant opportunities to benefit from high-tech distributed generation/CHP technologies and products.
Rotary UPS: What Can Brownouts Do to You?
Three years ago, we saw the great Northeast blackout shut down the power to tens of millions.
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