Fuel Cell System Having Maximum Cell Voltage Constraint

A system, such as for a fuel cell electric vehicle, includes a fuel cell stack (FCS) and a controller. The FCS is configured to provide, such as for vehicle propulsion, a stack power commensurate with a stack power request. The stack power is a product of a stack current of the FCS and a stack volta...

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Bibliographische Detailangaben
Hauptverfasser:	Sanderson, JR., William F, Wang, Hao, Johri, Rajit, Qiu, Zeng
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A system, such as for a fuel cell electric vehicle, includes a fuel cell stack (FCS) and a controller. The FCS is configured to provide, such as for vehicle propulsion, a stack power commensurate with a stack power request. The stack power is a product of a stack current of the FCS and a stack voltage of the FCS. The controller is configured to, upon the stack voltage meeting a predetermined threshold, control the FCS to increase the stack current to cause the FCS to provide an increased stack power commensurate with an increased stack power request.