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Power


Monthly Issue | October 1, 2012

THE BIG PICTURE: Regulation Road

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Veterans and Utilities: A Valuable Partnership

The brave men and women of the U.S. military spend years crafting special skills and developing traits that prepare them for the challenging assignments they will be given throughout their…


Electronic Differential Pressure Sensor

The Deltabar FMD72 Electronic Differential Pressure measurement system launched by Endress+Hauser uses two pressure sensor modules connected electronically to a single transmitter and eliminates the need for impulse lines or…


Cryogenic Mass Vortex Flow Meter

Sierra Instruments launched a new cryogenic version of its InnovaMass 240 multivariable mass vortex flow meter for advanced, more reliable measurement of liquefied gases, including liquid nitrogen, liquid oxygen, liquefied…


pH-Measuring App

California-based Sensorex has developed an industry-first mobile accessory for pH measurements. Compatible with Apple iPod, iPhone, and iPad devices, the PH-1 pH meter accessory measures and records pH values in…


Rubber Disc Return Rollers

New Rubber Disc Return Rollers from Elite Roller Manufacturing feature four tapered roller bearings (two in each hub) for smooth operation and a service life that is up to three…


Motor Control Center Addresses Arc Flash Incidents

ABB says its newly introduced MNS-MCC motor control center is the first in the industry to address the causes of arc flash incidents while providing superior equipment and personnel protection.…


Power Supply Signal Conditioning

Pepperl+Fuchs’ new KFU8-VCR-1 Transmitter Power Supply Signal Conditioners feature various inputs for standard voltage and current inputs. These 1-channel signal conditioners offer maximum installation flexibility to suit a wide range…


EPA Stalls on Coal Combustion Residuals

In 2010, the U.S. Environmental Protection Agency (EPA) proposed federal rules regulating coal combustion residuals (CCRs) for the first time to address the risks posed by coal-fired power plants' disposal of such…


Evaluating Technologies to Address Proposed Effluent Guidelines

Upcoming revisions to U.S. federal effluent guidelines are anticipated to include new discharge limits for mercury and selenium in flue gas desulfurization wastewater, in addition to other potential revisions. Collaborative…


EMO Technology Promises Improved Mercury Removal

1. New mercury removal option. This is a schematic of Shaw’s EMO technology for a typical power plant application. Source: Shaw’s Environmental & Infrastructure Group The latest Environmental Protection Agency…


China’s Power Generators Face Many Business Barriers

China’s five largest power generators own half of that country’s power generating assets. Faulty policies and the rapidly changing global economy have made it difficult for these companies to fulfill…


Are Economics Trumping Regulation?

The fate of coal-fired generation remains fluid as owners weigh environmental rules, the effect of low natural gas prices, and the shifting cost of investing in emissions control technology. An…


Reducing Ash Agglomeration in JEA’s CFB Boilers

A chronic operational problem with circulating fluidized bed boilers is ash buildup or agglomeration that turns into slag, which forces frequent shutdowns for cleaning. Solving the problem is tricky, because…


TOP PLANT: Yeongheung Power Station Unit 3, Yeongheung Island, South Korea

The insatiable power demands of a huge modern metropolitan area like Seoul call for both big thinking and flexibility. The successful launch of this large, state-of-the-art supercritical coal plant required…


TOP PLANT: Virginia City Hybrid Energy Center, Virginia City, Virginia

Dominion’s 585-MW Virginia City Hybrid Energy Center, located in southwestern Virginia, relies on two circulating fluidized bed boilers that burn coal and local waste coal mixed with up to 20%…


TOP PLANT: Tanjung Jati B Electric Generating Station, Central Java Province, Republic of Indonesia

Units 3 and 4 expand the Tanjung Jati Electric Generating Station’s capacity by adding 1,320 MW of reliable power that helps to boost Indonesia’s growing economy. Now the 2,640-MW coal-fired…


TOP PLANT: Northside Generating Station, Jacksonville, Florida

Since the Northside Generating Station’s two repowered units were placed into service in 2002, a series of modifications and repairs have been undertaken to make its two circulating fluidized bed…


TOP PLANT: Merrimack Station’s Clean Air Project, Bow, New Hampshire

To comply with the New Hampshire law governing mercury emissions, Merrimack Station management recently installed a single scrubber system on the facility’s two coal-fired boilers. The plant’s Clean Air Project…


TOP PLANT: C.P. Crane Generating Station, Middle River, Maryland

A desire to do things right led Constellation Energy to invest $70 million to convert its 400-MW C.P. Crane Generating Station to burn Powder River Basin coal and develop the…


New Approaches to Project Mitigation

The First Law of Thermodynamics holds that the amount of matter and energy in the universe is constant and that no new matter or energy can be created. The corollary…


Predictive Maintenance That Works

This is the sixth in a series of predictive maintenance (PdM) articles that began in the April 2011 “Focus on O&M” in which the essentials of PdM were introduced. In…


Maintaining Grid Reliability with a High Renewables Portfolio

Many governments have adopted the goal of achieving 20% renewable power generation by 2020. For California, the goal is to reach 33% by 2020. The state definitely has the sunshine…


Fly Ash Erosion Control and Prevention

Boiler tube failures (BTFs) are responsible for the largest portion of availability loss (about 4%) in the fossil boiler industry, and approximately 25% of all tube failures are due to…


POWER Digest (October 2012)

Chile Supreme Court Strikes Plans for $5B Coal Plant. Chile’s Supreme Court on Aug. 28 rejected the $5 billion Central Castilla thermoelectric power plant planned by Brazilian firm MPX Energia…


Microbial Fuel Cells Promise Power from Sludge

A microbial fuel cell technology developed at Oregon State University (OSU) promises to produce 10 to 50 times more electricity per volume directly from wastewater than most other approaches using…


Plant Vogtle Moves Forward, as Do Costs and Schedules

At Plant Vogtle in Georgia, where Southern Co. subsidiary Southern Nuclear is building two new 1,100-MW AP1000 units for Georgia Power and co-owners Oglethorpe Power Corp., the Municipal Electric Authority…


South Korea Connects Two New Reactors to the Grid

3. An atomic leap. South Korea is looking to boost nuclear capacity to 43.4% of its total power profile by 2020. Two new reactors became commercially operational this summer, the…


Powering Curiosity on Mars—And Beyond

With the precarious descent of NASA’s Mars rover Curiosity into the Red Planet’s Gale Crater a success, NASA now plans to gather geological and environmental data from the Martian surface…


Germany’s Reliance on Coal Grows

This August, instead of the usual fanfare at the official commissioning ceremony of RWE’s twin-unit 2.2-GW coal-fired BoA Units 2 and 3—a $3.3 billion lignite-fired power plant in Grevenbroich-Neurath near…


Hollow Victory

Cato Institute senior fellows Jerry Taylor and Peter Van Doren in an Aug. 31 Forbes website blog suggest that the Environmental Protection Agency’s (EPA’s) carbon pollution standard for new coal-fired…


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