To prevent a problem such as dew condensation and drying of a fuel cell due to backflow of a cooling liquid and improve fuel efficiency in a power system with a cooling liquid circulation system that has a water pump for the fuel cell and heat source.SOLUTION: A power system 100 includes fuel cell systems 11-14 having fuel cell stacks 11c to 14c and fuel cell water pumps 11b to 14b, a heat source 30 that has a heat source water pump 31, and generates heat when operated, a radiator 20 that exchanges heat with the atmosphere, cooling passages 42 and 43 thermally connecting the fuel cell systems 11 to 14, the heat source 30, and the radiator 20, and a control device 50, and the control device 50 prevents backflow of a cooling liquid by controlling rotation speed switching such that the fuel cell water pumps 11b to 14b and the heat source water pump 31 have a predetermined discharge amount.SELECTED DRAWING: Figure 1

    【課題】燃料電池用と熱源用のウォーターポンプを持つ冷却液循環系を持つ電力システムにおいて、冷却液の逆流に伴う燃料電池の結露や乾燥などの不具合を防止と燃費を向上する。【解決手段】電力システム100は燃料電池スタック11c-14cおよび燃料電池用ウォーターポンプ11b-14bを有する燃料電池システム11-14と、熱源用ウォーターポンプ31、作動することで発熱する熱源30と、大気と熱交換を行う放熱器20と、燃料電池システム11-14、熱源30、および放熱器20を熱的に接続する冷却通路42,43と制御装置50を備え、制御装置50は燃料電池用ウォーターポンプ11b-14bと熱源用ウォーターポンプ31が所定の吐出量となるように回転数の切り替え制御を行うことにより冷却液の逆流を防止する。【選択図】図1


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    Titel :

    POWER SYSTEM, VEHICLE, AND METHOD OF CONTROLLING POWER SYSTEM


    Weitere Titelangaben:

    電力システム、車両、および電力システムの制御方法


    Beteiligte:
    MIYAZAKI JUNYA (Autor:in) / NAKAJIMA NOBUTAKA (Autor:in) / TAKEUCHI KENTO (Autor:in) / TARUIE KENJI (Autor:in)

    Erscheinungsdatum :

    2022-10-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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