POWER SUPPLY SYSTEM FOR FUEL CELL AND FUEL CELL SYSTEM

A fuel cell power supply system that comprises a fuel cell stack, a 24VDC/DC converter and a fuel cell controller. The high voltage input end of the 24VDC/DC converter is connected to the fuel cell stack, and the low voltage output end of the 24VDC/DC converter is connected to a low-voltage busbar o...

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Bibliographische Detailangaben
Hauptverfasser:	CAO, Zhuotao, LI, Weiguo, ZHOU, Xin, LI, Feiqiang, ZHANG, Longhai, WANG, Chuanqiu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A fuel cell power supply system that comprises a fuel cell stack, a 24VDC/DC converter and a fuel cell controller. The high voltage input end of the 24VDC/DC converter is connected to the fuel cell stack, and the low voltage output end of the 24VDC/DC converter is connected to a low-voltage busbar of the fuel cell. The low-voltage busbar of the fuel cell is electrically connected to the fuel cell controller and a storage battery for the fuel cell. The power supply system has the advantage of eliminating as much as possible the impact of voltage fluctuation on power supply of the fuel cell controller and the electrical accessories of the fuel cell system. When the 24VDC/DC converter suddenly fails, the storage battery for the fuel cell can be used for supplying power, thereby guaranteeing the safety of the fuel cell system. The present disclosure further relates to a fuel cell system.