Method and system for controlling output of fuel cell power gene

Details Method and system for controlling output of fuel cell power gene Method and system for controlling output of fuel cell power gene

1996-05-20

1997-06-10

Skapars, Anthomy

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 22, 429 23, H01M 804

Patent

active

056374143

ABSTRACT:
A fuel cell power generator having an output controlling system for preventing the deterioration of the fuel cell performance caused by fuel gas shortages. The fuel cell power generator includes a fuel reformer, a fuel cell, an inverter, and an output controlling system. The output controlling system includes an output control regulator for controlling the output power of the inverter as close to the current value corresponding to the output power set value as possible, a current command computing unit, an inverter controller, and an output correction section. The output correction section includes an available output computing unit for computing the maximum available output power value of the fuel cell on the basis of the detected flow rate of fuel gas flowing into the fuel cell or fuel exhaust gas flowing out of the fuel cell; a low level selector for selecting either the computed maximum available output power value or the output power set value, whichever is the lower; and an output correction regulator for supplying the output control regulator with a signal for correcting the output power set value so as to control the detected output current from the fuel cell as close to the current value corresponding to the output current value of the low level selector as possible.

REFERENCES:
patent: 4839574 (1989-06-01), Takabayashi
patent: 4904548 (1990-02-01), Tajima
patent: 5156928 (1992-10-01), Takabayashi
patent: 5462815 (1995-10-01), Horiuohi

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