PROBLEM TO BE SOLVED: To provide a control method of a fuel battery system which avoids a non-controllable state of a fuel battery voltage, and a fuel battery automobile.SOLUTION: Since a BAT converter 34 is controlled so that an inverter end voltage Vinv does not fall below a voltage (Vfc+Vmar) which is obtained by adding a margin voltage Vmar for assuring a boost operation or a block operation of the BAT converter 34 to an FC voltage Vfc, a non-controllable state of the FC voltage Vfc that the FC voltage Vfc becomes higher than the inverter end voltage Vinv, and an FC converter 24 is brought into a direct-connected state can be surely avoided. As a result, deterioration can be suppressed while improving the fuel economy of the FC 20.SELECTED DRAWING: Figure 1
【課題】燃料電池電圧の制御不能状態を回避する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】インバータ端電圧Vinvが、FC電圧VfcにBATコンバータ34の昇圧動作又は遮断動作を保証するマージン電圧Vmarを加算した電圧(Vfc+Vmar)を下回らないようにBATコンバータ34を制御しているので、FC電圧Vfcがインバータ端電圧Vinvより高くなってFCコンバータ24が直結状態になるFC電圧Vfcの制御不能状態を確実に回避することができる。結果としてFC20の燃費を向上しつつ劣化を抑制することができる。【選択図】図1
CONTROL METHOD OF FUEL BATTERY SYSTEM AND FUEL BATTERY AUTOMOBILE
燃料電池システムの制御方法及び燃料電池自動車
2017-03-09
Patent
Electronic Resource
Japanese
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 |
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