Controller for fuel cell system

Details Controller for fuel cell system Controller for fuel cell system

2005-10-19

2010-10-05

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Wind, solar, thermal, or fuel-cell source

C429S011000, C429S047000, C700S297000, C307S010100

Reexamination Certificate

active

07808204

ABSTRACT:
A fuel cell system capable of learning its current-voltage characteristics precisely in a short time even when the current-voltage characteristics of a fuel cell varies due to reduction of a catalyst of an oxidizing agent electrode during the stop of operation of the fuel cell system. A controller (13) learns current-voltage characteristics of a fuel cell stack (2), detects the amount of variation in voltage of current-voltage characteristics before a stop of power generation and those after restart of power generation, and corrects the learnt value of the current-voltage characteristics by the amount of variation in voltage.

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