Departments
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Business
POWER Digest (September 2012)
Belgian Cabinet Votes to Prolong Tihange 1 Reactor Life. Belgium’s cabinet in early July approved plans by GDF Suez subsidiary Electrabel to keep the 1975-built Tihange 1 reactor operating until 2025—almost a decade longer than planned—but it rejected a proposal to delay by a year the planned 2015 closure of Electrabel’s two 1975-built reactors at […]
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News
Rotary Screw Air Compressor
Ingersoll Rand is offering a newly improved single-phase control scheme for its 5 and 7.5 versions of the small UP6 5-15c line of air compressors. It has added a run-on timer and load/unload and blowdown solenoids to improve the reliability and performance of single-phase units in general industrial applications up to 28 cfm. The company […]
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News
Compact Electric Pump
A new compact electric pump designed for bolt tensioning applications in the wind turbine industry is now available from specialist bolt tensioner manufacturer Boltight Ltd. The standalone power pack is lightweight (19.5 kg) and portable, as the pump, reservoir, and motor are combined into one easily handled package. The 0.75-kW rated pump is driven by a 220-240 V single-phase electric […]
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News
Flowmeter for Utility Gases
Endress+Hauser released the Proline t-mass 150 thermal mass flowmeter for measuring gases such as compressed air, nitrogen, carbon dioxide, and argon. The flowmeter measures mass flow, gas temperature, free air delivery, and corrected volume—all without the need for pressure or temperature compensation. The t-mass 150, with its high turndown of 100:1, can reliably measure small […]
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Hydro
Major Developments for Solid Oxide Fuel Cells
Solid oxide fuel cells (SOFCs), which oxidize a fuel to produce electricity, have received much attention of late for the technology’s myriad benefits, including high efficiency, long-term stability, fuel flexibility, and low carbon emissions—all at a relatively low cost.
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Coal
Tactical Advantage
A three-judge panel of the U.S. Court of Appeals for the D.C. Circuit on June 26 unanimously rejected all pending legal challenges against the U.S. Environmental Protection Agency’s (EPA’s) interpretation of the Clean Air Act (CAA) that allows the agency to regulate greenhouse gases (GHGs). What is the EPA’s future strategy in its war on coal?
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News
Comprehensive Spectrophotometer
Hach Co.’s new DR 6000UV-Vis spectrophotometer was designed to fulfill any water testing needs using one spectrophotometer. It is equipped with RFID technology, integrated QA software, and more than 250 testing methods and guided procedures. The instrument is programmed to take absorbance readings of a single sample at different wavelengths or over a specific period […]
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Wind
The Age of the Mammoth Wind Turbine Blade
Siemens Energy in June announced it had produced the first batch of its new B75 Quantum wind turbine rotor blades, fiberglass components 75 meters (m) in length that were cast in one piece (Figure 3). The blades were manufactured to be installed this fall on Siemens’ second prototype of the German firm’s SWT-6.0 6-MW offshore […]
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Legal & Regulatory
Proposed Cooling Water Rule’s Ripple Effects
The U.S. Environmental Protection Agency (EPA) has a long history of making waves with the electric power industry because of its efforts to regulate the way thermal power plants construct and operate their cooling water intake structures (CWIS). These structures divert billions of gallons of water into power plants’ cooling systems and can injure or kill billions of aquatic organisms.