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FUEL CELL SYSTEM AND FUEL CELL BOOSTING CONVERTER
FUEL CELL SYSTEM AND FUEL CELL BOOSTING CONVERTER
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机译:燃料电池系统和燃料电池升压转换器
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摘要
Provided is a fuel cell system including a fuel cell which is a DC power source and boosting means which boosts the output voltage of the fuel cell for supply to a load. The boosting means has: a main boosting unit which has a switch and a coil and boosts the output voltage of the fuel cell by a back electromotive force of the coil generated by a switching operation of the switch with respect to the coil; and a sub boosting unit having a snubber capacitor which adjusts a potential difference between the both electrodes of the switch by an accumulation amount and reduces the switching loss of the switch by adjusting the accumulation amount of the snubber capacitor upon a switching operation. The electricity of the snubber capacitor discharged when reducing the accumulation amount of the snubber capacitor is made to flow into processing means other than the fuel cell by the sub boosting unit.
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