Preventing backfeeding of current to a fuel cell stack from energy storage

A fuel cell system that includes a fuel cell stack, and energy storage that is coupled to the fuel cell stack, and a switch that is coupled between the energy storage and the fuel cell stack. The fuel cell system also includes a controller to measure at least one current to determine a likelihood of...

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Bibliographische Detailangaben
Hauptverfasser:	SKIDMORE DUSTAN L, MEREDITH JON W
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A fuel cell system that includes a fuel cell stack, and energy storage that is coupled to the fuel cell stack, and a switch that is coupled between the energy storage and the fuel cell stack. The fuel cell system also includes a controller to measure at least one current to determine a likelihood of a current flowing from the energy storage to the stack at a later time and based on the determination, operate the switch to prevent the current.