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Application Study of An On-site Hydrogen Production System for Power Generator Cooling  

Moon, Jeon-Soo (Green Growth Laboratory Korea Electric Power Research Institute)
Lee, Jae-Kun (Green Growth Laboratory Korea Electric Power Research Institute)
Park, Pyl-Yang (Green Growth Laboratory Korea Electric Power Research Institute)
Park, Kyoung-Il (Green Growth Laboratory Korea Electric Power Research Institute)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.20, no.5, 2009 , pp. 410-415 More about this Journal
Abstract
A hydrogen cooling method is used in a power generator for removing the unnecessary heat due to the windage loss of a rotor and the joule heat of a stator. A MEA (Membrane Electrolyte Assembly) hydrogen generator has been developed and applied as a hydrogen supplying system for the cooling of a 350MW power generator. As a field application result, the average potential of eleven cells and the voltage efficiency were measured 2.26V/cell and 65.4% (Higher Heating Value) respectively at the hydrogen pressure of 6 Bar, the hydrogen flow rate of 9.1L/min, and the current of 150A.
Keywords
Hydrogen; MEA; Power plant; Generator cooling; Hydrogen pressure control;
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