Method for controlling fuel cell system
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United States of America Patent
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Feb 12, 2019
Grant Date -
Aug 31, 2017
app pub date -
Feb 28, 2017
filing date -
Feb 29, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method for controlling a fuel cell system includes supplying an oxidant gas, via an oxidant gas supply channel, to a cathode electrode of a fuel cell. The oxidant gas is moistened to be supplied to the cathode electrode with a humidifier. An opening degree of a bypass channel valve is decreased via a feedforward control to a first opening degree when an impedance has reached a lower limit value. The opening degree of the bypass channel valve is increased via the feedforward control to a second opening degree when the impedance has reached an upper limit value. The first opening degree is smaller than the second opening degree.
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