Fuel cell system controller and associated method
First Claim
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1. A method of operating a fuel cell system comprising:
- repeatedly determining a maximum allowable current that may be drawn from the fuel cell systembased on a prevailing allowable current ramp rate, an actual measured current of the fuel cell system, and a parasitic current load of the fuel cell system; and
controlling a plurality of operating parameters of the fuel cell system according to a most recent determination of the maximum allowable current.
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Abstract
The disclosure relates to a fuel cell stack and corresponding method of operating the fuel cell stack. The method comprises: determining a maximum allowable current that may be drawn from the fuel cell stack; repeatedly determining a magnitude of change to the prevailing maximum allowable current based on a prevailing allowable current ramp rate and an actual measured current of the fuel cell stack; updating the maximum allowable current according to the periodically determined magnitude of change; and controlling operating parameters of the fuel cell stack according to the prevailing maximum allowable current.
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Citations
12 Claims
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1. A method of operating a fuel cell system comprising:
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repeatedly determining a maximum allowable current that may be drawn from the fuel cell system based on a prevailing allowable current ramp rate, an actual measured current of the fuel cell system, and a parasitic current load of the fuel cell system; and controlling a plurality of operating parameters of the fuel cell system according to a most recent determination of the maximum allowable current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification