PROBLEM TO BE SOLVED: To reduce a loss of a boosting converter while suppressing a current resulting from a back electromotive voltage of a rotating electric machine when stopping a switching operation of an inverter in a rotation state of the rotating electric machine.SOLUTION: A boosting operation of a boosting converter 22 is performed so that, when stopping a switching operation of an inverter 24 in a rotation state of a motor generator 14, an output voltage VH of the boosting converter 22 is lowered when a current does not flow into the motor generator 14 (S104), and the output voltage VH of the boosting converter 22 is raised until the current is stopped to flow when the current flows into the motor generator 14 (S105).

    【課題】回転電機の回転状態でインバータのスイッチング動作を停止する場合に、回転電機の逆起電圧に起因する電流を抑制しつつ昇圧コンバータの損失を低減する。【解決手段】モータジェネレータ14の回転状態でインバータ24のスイッチング動作を停止する場合に、モータジェネレータ14に電流が流れなければ昇圧コンバータ22の出力電圧VHを減少させ(S104)、モータジェネレータ14に電流が流れれば電流が流れなくなるまで昇圧コンバータ22の出力電圧VHを増加させる(S105)ように、昇圧コンバータ22の昇圧動作を行う。【選択図】図3


    Access

    Download


    Export, share and cite



    Title :

    DRIVE UNIT OF ROTATING ELECTRIC MACHINE


    Additional title:

    回転電機の駆動装置


    Contributors:

    Publication date :

    2015-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    Rotating electric machine drive unit

    WAKABAYASHI RYUTA | European Patent Office | 2022

    Free access

    Rotating electric machine drive unit

    WAKABAYASHI RYUTA / SUZUKI YUTO | European Patent Office | 2022

    Free access

    ROTATING ELECTRIC MACHINE DRIVE UNIT

    WAKABAYASHI RYUTA | European Patent Office | 2020

    Free access

    ROTATING ELECTRIC MACHINE DRIVE UNIT

    WAKABAYASHI RYUTA / SUZUKI YUTO | European Patent Office | 2020

    Free access

    Rotating electrical machine drive unit

    UNEME TAKAHIRO / BANDO MASASHI | European Patent Office | 2021

    Free access