PROBLEM TO BE SOLVED: To provide a two-power supply load drive fuel battery system which prevents both a fuel battery and a power storage device from being brought into connected states, avoids the occurrence of the instability of a DC end side voltage of an inverter which drives a motor at an AC end side, and reduces a loss of an SUDC (step-up/down converter) at the power storage device side, and a furthermore battery automobile.SOLUTION: An SOC of a BAT 20 is increased more than usual so that only the BAT 20 is brought into a connected state while controlling an FC voltage Vfc of an FC 18 by an SUC (step-up converter) 21, and a BAT voltage Vbat being a DC end side voltage Vinv of an INV 16 which drives a drive motor 14 is maintained at a high voltage. Since the connected state is brought about, a frequency of the occurrence of a switching loss of an SUDC 22 can be reduced.SELECTED DRAWING: Figure 1

    【課題】燃料電池と蓄電装置との両方が直結状態となることを防止し、交流端側でモータを駆動するインバータの直流端側電圧の不安定性の発生を回避すると共に、蓄電装置側のSUDC(昇降圧コンバータ)の損失を低減する2電源負荷駆動燃料電池システムの制御方法及び燃料電池自動車を提供する。【解決手段】FC18のFC電圧VfcをSUC(昇圧コンバータ)21により制御しながらBAT20のみの直結状態になるようにBAT20のSOCを通常より増加させ、駆動モータ14を駆動するINV16の直流端側電圧VinvとなるBAT電圧Vbatを高電圧に維持する。直結状態になるのでSUDC22のスイッチング損失の発生頻度を低減できる。【選択図】図1


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    Titel :

    CONTROL METHOD OF TWO-POWER SUPPLY LOAD DRIVE FUEL BATTERY SYSTEM AND FUEL BATTERY AUTOMOBILE


    Weitere Titelangaben:

    2電源負荷駆動燃料電池システムの制御方法及び燃料電池自動車


    Beteiligte:
    KAZUNO SHUICHI (Autor:in)

    Erscheinungsdatum :

    2016-02-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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