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Fuel cell system, estimation device of amount of anode gas to be generated and estimation method of amount of anode gas to be generated
Fuel cell system, estimation device of amount of anode gas to be generated and estimation method of amount of anode gas to be generated
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机译:燃料电池系统,阳极气体产生量的估计装置以及阳极气体产生量的估计方法
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摘要
There is disclosed a fuel cell system or the like capable of sufficiently reducing an exhaust hydrogen concentration even in a case where a fuel cell is operated in a state of a low power generation efficiency. A bypass valve is arranged between an oxidation gas supply path and a cathode-off gas channel. In a state in which supply of an oxidation gas to a cathode falls short, pumping hydrogen is included in a cathode-off gas. Therefore, a valve open degree of the bypass valve is regulated, and a flow rate of bypass air is regulated to control the exhaust hydrogen concentration.
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