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RESPONDING TO POSITIVE RATE OF CHANGE OF FUEL CELL VOLTAGE DURING POWER REDUCTION TRANSITIONS
RESPONDING TO POSITIVE RATE OF CHANGE OF FUEL CELL VOLTAGE DURING POWER REDUCTION TRANSITIONS
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机译:降低功率转换过程中燃料电池电压正变化率的响应
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摘要
During power reduction transitions of a fuel cell power plant, the excess electric energy generated by consumption of reactants is extracted, during one or more periods of time, by a voltage limiting device control (200) in response to a controller (185) as i) energy dissipated in a resistive auxiliary load or ii) as energy applied to an energy storage system (201) (a battery), in boost and buck embodiments. The controller operates the voltage limiting device control in response to the positive time derivative of the voltage of one or more of the fuel cells exceeding a predetermined limiting value.
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