METHOD FOR OPTIMIZING PERFORMANCE IN FUEL CELL SYSTEM

A fuel cell system includes a cooling fan that cools a coolant, a pump that pumps the coolant, and a controller communicatively connected with the cooling fan and the pump. The controller retrieves a preset cooling-fan RPM and a preset pump RPM, optimizes the cooling-fan RPM and the pump RPM through...

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Bibliographische Detailangaben
Hauptverfasser:	CHOI, Sung Kyung, WON, Jong Bo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A fuel cell system includes a cooling fan that cools a coolant, a pump that pumps the coolant, and a controller communicatively connected with the cooling fan and the pump. The controller retrieves a preset cooling-fan RPM and a preset pump RPM, optimizes the cooling-fan RPM and the pump RPM through a decrease of the cooling-fan RPM and an increase of the pump RPM such that a coolant temperature at an inlet of a fuel cell stack satisfies a specified temperature condition and a total power consumption is minimized, the total power consumption being a sum of a power consumption corresponding to the cooling-fan RPM and a power consumption corresponding to the pump RPM, and stores the optimized cooling-fan RPM and the optimized pump RPM. Besides, it may be permissible to prepare various other embodiments speculated through the specification.