A voltage control method for a fuel cell (100) includes: interrupting electrical connection between the fuel cell and a load (170, 172) in a low load state; supplying oxygen to the fuel cell in accordance with a preset condition during the electrical connection is interrupted; detecting an OCV (open circuit voltage) of the fuel cell after oxygen is supplied to the fuel cell in accordance with the preset condition; reducing an amount of oxygen supplied to the fuel cell when the OCV is higher than a target voltage by a first value or larger; increasing the amount of oxygen when the OCV is lower than the target voltage by a second value or larger; and keeping the amount of oxygen when the OCV is lower than a sum of the target voltage and the first value and higher than a value obtained by subtracting the second value from the target voltage.


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    Titel :

    POWER SUPPLY SYSTEM AND VOLTAGE CONTROL METHOD FOR FUEL CELL


    Weitere Titelangaben:

    STROMVERSORGUNGSSYSTEM UND SPANNUNGSREGELUNGSVERFAHREN FÜR BRENNSTOFFZELLE
    SYSTÈME D'ALIMENTATION ÉLECTRIQUE ET PROCÉDÉ DE COMMANDE DE TENSION POUR PILE À COMBUSTIBLE


    Beteiligte:
    YAMANAKA TOMIO (Autor:in) / NADA MITSUHIRO (Autor:in) / SUZUKI HIROYUKI (Autor:in)

    Erscheinungsdatum :

    20.01.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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



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