Archive: O&M

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TVA’s Shawnee Fossil Plant Unit 6 sets new record for continuous operation

Shawnee’s new 1,093-day long-run record is a testament to the plant’s highly qualified and trained staff, excellent operations and maintenance processes, and the quality leadership required to keep all the moving parts pointed in the right direction. If running a power plant is a team sport, then the staff of Shawnee are in a league of their own.

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Focus on O&M (February 2008)

Survey captures industry’s carbon concerns; Sequestering coal plant emissions; Comparing mercury measurement methods

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Protecting plant equipment from voltage sags

Immunity from voltage sags is vital for reliable operation of our ever-more-sophisticated electronic controls and equipment. Every electrical product should be able to ride through typical voltage sags, but in many cases the first sag test occurs after equipment is installed and in operation. Select the appropriate sag immunity specification and equipment compliance testing, and you’ll be glad you did.

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Eliminating oil whip–induced vibration after a steam turbine retrofit

Nobody expected driveline vibration to occur after a flawless retrofit of a 200-MW steam turbine. But when it did, Mitsubishi Power Systems and Exelon vibration specialists identified the symptoms and rapidly narrowed the list of possible causes. Confounding factors made the root cause difficult to identify, but the experts pinpointed the problem, made necessary hardware modifications, and placed the turbine back in service in a week.

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Focus on O&M (January 2008)

Single-window control of CHP plant’s energy converters / Safety stuffers entertain as they inform / Doubling up for a heavy load

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Coal Plant O & M: Condition Monitoring Cuts Mirant Mid-Atlantic’s Costs

Condition monitoring (CM) has become an increasingly important aspect of power plant maintenance philosophy. Today many utilities are using a variety of predictive maintenance (PM) techniques like CM to lower their operation and maintenance expenses. Over the years, gencos have developed a diverse collection of CM programs of various breadth, depth, and formality. All are […]

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Storming the Gates

Visiting power plants is one of the perks of being a COAL POWER editor. Some plants are located in metropolitan areas; others are closer to east nowhere, especially those mine-mouth plants. Each is unique and worth the travel time to visit and meet plant staff.

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The Coal Patrol: Court Rejects Industry Suit Targeting Miner Safety Rules

A federal appeals court has rejected a National Mining Association (NMA) suit seeking to throw out new regulations issued by the Mine Safety and Health Administration (MSHA). The rules were to improve protection for miners in the wake of accidents at two West Virginia coal mines in January 2006 that killed 15. (See COAL POWER […]

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Safety: Worker Health and Safety Now Top Priorities for Alabama Power

Employees of Alabama Power, a Southern Company subsidiary, routinely work near energized wires, intense heat, nuclear fuel, heavy equipment, moving vehicles, and pressurized equipment, as well as under other conditions that require exceptional safety attitudes and measures. Though it is vitally important to provide electricity to customers, neither company believes that doing so is worth […]

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Focus on O&M (December 2007) 

The web: Ideal for skills development / Upgrading a New Orleans pumping station / Turn plant failures into successes