Power Engineering Table Of Contents |  |
November 2007
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Cover Feature: Big Issues, Big Show in the Big Easy
The Big Easy is the location for the world’s largest power industry event at a time when the industry faces big challenges that are proving to be anything but easy.
Steam Turbines Hit Their Stride
Steam turbines have undergone many changes in the past 30 years.
Conducting a Greenhouse Gas Emission Inventory
Global climate change, or the extent to which human activities are contributing to global climate change, is currently the most discussed and contentious issue in the environmental arena.
High Penetrations of Renewable Energy for Island Grids
Island grids represent an overlooked opportunity for renewable power.
Inferring pH from Conductivity and Cation Conductivity
Inferred pH is a method of continuously calculating pH from straight and cation conductivity.
O & M Feature: FGD Gypsum Issues
Numerous flue gas desulfurization (FGD) systems are being designed and/or installed at utilities throughout the country.
Comparing Materials Used in Mist Eliminators
Among the many types of pollution-abatement systems in use today, wet fluegas desulfurization (FGD) systems - also known as wet scrubbers - are notoriously capital- and maintenance-intensive.
Is It Time to Rethink SO2 Control Technology Selection?
The decision to install SO2 control equipment can be an expensive one in terms of capital costs, operational costs, potential delays in project completion, as well as system performance.
Enhancing Gas Turbine Power Plant Profitability
In a highly competitive market environment, power generation companies are constantly seeking ways to drive operation and maintenance (O&M) costs down on their industrial gas turbine units to maintain profitability.
Steam Generation and Liquid Analysis
Liquid analysis is one of the most important measurements in any type of power plant (fossil fuel or nuclear).
Corrosion-Induced Deterioration: Repairs and Protections
As the supply source for operations in power generating plants, water intake structures serve an important function.
HRSG Optimization for Cycling Duty
Today, most combined-cycle power plants are expected to be available 24-seven. Deregulation and consequent merchant power have made it important for combined-cycle plants to supply electrical power to the grid as and when needed with minimum notice.
To the Editor:
I enjoyed your article “A Different Kind of Boom” (Power Engineering, October 2007, pictured at right).
Coal Stays in the Picture
Regardless how much the environmental establishment hates coal, the United States is not likely to reduce using its most abundant and least expensive fuel.
Dollars vs. Delays: The Trend Toward Intervener Settlements
The Sierra Club recently adopted a national policy to challenge any new power plants until stricter rules for air pollution and global warming are implemented.
NREL, Xcel Energy Partner on Wind-to-Hydrogen Project
The American Wind Energy Association reports that more than 11,600 MW of wind capacity was operating in the United States in 2006 and it expects that number to increase substantially by the end of this year.
Reviewing the Nuclear 21st Century
Over the past eight years I have written 66 “Nuclear Reactions” columns dealing with nearly every aspect of nuclear power and industry trends.
Xcel Energy Implements an Alarm Management Strategy
When it comes to alarms associated with power plant operations, the adage “it is possible to have too much of a good thing” certainly rings true.
Gas Rehash
Any number of energy experts will tell you that the United States will have to import significant quantities of natural gas -15 to 20 percent or more over the next few decades - to satisfy demand.
Repowering a Small Coal-Fired Power Plant
The Arkansas River Power Authority’s (ARPA) Lamar Repowering Project is moving forward.
Five Ways to Help End the Craft Labor Shortage
If a picture is worth a thousand words, here’s a power industry snapshot: A recent industry census identified a total of 38,000 skilled union laborers in 11 Southeast states.
North American Electricity Seen Outpacing Resource Growth
Electricity usage in the United States is projected to grow more than twice as fast as committed resources over the next 10 years, the North American Electric Reliability Corp. (NERC) said in its annual 2007 Long-Term Reliability Assessment.
Harvesting Pipeline Energy to Produce Electricity
Electricity can be produced at natural gas utility letdown stations, offering an opportunity to generate electric power without combustion.
Products
Envirosight has released its new laser and sonar profiling tools, designed to integrate with ROVVER and SuperVision inspection crawlers to analyze pipe.
PEDAL POWER
Montana may have a great wind resource, according to Gary Evans, CEO of GreenHunter Energy Inc., in a news article.
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