Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for control of operation
Reexamination Certificate
2009-06-26
2010-10-05
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Process or means for control of operation
Reexamination Certificate
active
07807306
ABSTRACT:
A fuel cell system employing a floating base load hybrid strategy for reducing fast voltage transients of a FCPM. A power request signal is applied to an average power calculation processor that calculates the average power requested over a predetermined previous period of time. A weighting function processor provides a weighting function based on the state of charge of an EESS. The power available from the FCPM and the EESS is applied to a power comparison processor. The available power is compared to the power request to provide a difference value between what is currently being provided and what is desired. The difference value is compared to power limit values of the EESS. The output value of this comparison is added to a filtered value to generate a signal for the change in the output power of the fuel cell stack based on the power request.
REFERENCES:
patent: 5334463 (1994-08-01), Tajima et al.
patent: 6581015 (2003-06-01), Jones et al.
patent: 6977119 (2005-12-01), McElroy
Formanski Volker
Kilian Peter
Schaffnit Jochen
GM Global Technology Operations Inc.
Miller John A.
Miller IP Group, PLC
Parsons Thomas H.
Ryan Patrick
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