To provide a power supply system for vehicle comprising two batteries and a voltage converter, capable of reducing loss on the voltage converter and allowing a vehicle to perform a high output travel.SOLUTION: A power supply system comprises: a first drive motor Mr; a second drive motor Mf; a first power line 21 to which a first inverter 3r and a first battery B1 are connected; a second power line 22 to which a second inverter 3f and a second battery B2 are connected; a voltage converter 4 for converting a voltage between the first and second power lines 21, 22; and an ECU for controlling charging/discharging of the first and second batteries B1, B2 by operating the first and second inverters 3r, 3f and voltage converter 4. The ECU discharges insufficient power obtained by subtracting an output of the first battery B1 from a total demand power from the second battery B2 to the second power line 22 when the total demand power is larger than a first output possible power of the first battery B1.SELECTED DRAWING: Figure 5

    【課題】2つのバッテリと電圧変換器とを備えた車両の電源システムにおいて、電圧変換器における損失を低減しながら高出力走行を行うことができるものを提供すること。【解決手段】電源システムは、第1駆動モータMrと、第2駆動モータMfと、第1インバータ3r及び第1バッテリB1が接続された第1電力線21と、第2インバータ3f及び第2バッテリB2が接続された第2電力線22と、第1電力線21と第2電力線22との間で電圧を変換する電圧変換器4と、第1及び第2インバータ3r,3f並びに電圧変換器4を操作し第1及び第2バッテリB1,B2の充放電を制御するECUと、を備える。ECUは、総要求電力が第1バッテリB1の第1出力可能電力より大きい場合には、総要求電力から第1バッテリB1の出力分を除いた不足電力を第2バッテリB2から第2電力線22へ放電させる。【選択図】図5


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    Titel :

    POWER SUPPLY SYSTEM FOR VEHICLE


    Weitere Titelangaben:

    車両電源システム


    Beteiligte:
    OYAMA KAZUYA (Autor:in) / DAIHI YUTO (Autor:in) / OGUMA HIROKAZU (Autor:in)

    Erscheinungsdatum :

    2019-10-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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