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Necessity truly is the mother of invention for the Tennessee Valley Authority (TVA).
Matsushita Electric Industrial Co., Ltd. best known for its Panasonic brand of consumer electronics and digital communications products, has developed a home-use fuel cell cogeneration system featuring 35 percent power generating efficiency, and quiet operation, according to the company. Matsushita aims to commercialize the system by the end of next fiscal year ending March 2005 after field-testing at its research facility.
Solarmer Energy says it has set a new record for plastic solar cell efficiency (7.6%), certified by Newport Corp.'s Technology and Applications Center's PV lab.
Magnetek, a builder of digital power conditioners for stationary fuel cells, has received an initial contract for wind turbine power conditioners.
As soon as solar started being introduced to the grid, operators and engineers raised concerns about solar resources causing instability. Is it possible, however, for utility-scale solar PV plants to provide grid reliability services? Mahesh Morjaria, vice president of PV systems for First Solar, says yes.
A consulting firm in ‘clean energy' has identified five trends this year, including the hydrogen infrastructure and solar PV.
SatCon Technology Corporation, a company in power and energy management solutions, has received a US$1.2 million purchase order for three megawatts of power conditioning systems for fuel cell power generation.
Model :HETER-FR44(SR44/AG13)Summary: Applications: Digital calipers, calculators, DV, electronic clocks, medical equipment, electronic dictionaries, measuring instrument, sensors, plug-in computer, radio transceiver and other electronic equipment. Description: High energy enviromental friendly Li-FeS2 Button Battery Started developing in 2006, Heter’s iron button battery (1.5V Li-FeS2 button cell) was putting into the market in 2008. The 1.5V Li-FeS2 button cell was patented by SIPO […]
The media has recently been full of stories about electric utilities being nervous and down right reactionary to adding solar (and wind) on the electric grid. On October 15th, The Huffington Post’s story on the Hawaii Electric Company (HECO) reported, “hundreds of Oahu customers have gotten burned in their transition to solar. They have gotten caught in limbo since September 6 when HECO changed the rules for connecting solar systems.”
By Hu Zhongqi, Tang Yibo, Peter Nowicki, and Manfred SallabergerConstruction of the 1,224-MW Tongbai project in China required development of four reversible pump-turbine units. Contractor VA Tech Hydro used a variety of techniques to achieve the optimum design for this facility.
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