To reduce the size of an electric power conversion device.SOLUTION: An electric power conversion device includes: a first power module in which a first power semiconductor element is an upper arm and a first diode is a lower arm; a second power module in which a second power semiconductor element is an upper arm and a third power semiconductor element is a lower arm; and a third power module in which a second diode is an upper arm and a fourth power semiconductor element is a lower arm. The first to fourth power semiconductor elements are wide-band gap semiconductors serially connected to a DC power source from a high voltage side to a low voltage side in this order. The first diode is connected between a first connection point between the first power semiconductor element and the second power semiconductor element and a second connection point of an intermediate of the DC power. The second diode is connected between a third connection point of the third power semiconductor element and the fourth power semiconductor element, and the second connection point.SELECTED DRAWING: Figure 1

    【課題】電力変換装置の小型化を図る。【解決手段】電力変換装置は、第1のパワー半導体素子を上アームとし第1のダイオードを下アームとする第1のパワーモジュール、第2のパワー半導体素子を上アームとし第3のパワー半導体素子を下アームとする第2のパワーモジュール、及び第2のダイオードを上アームとし第4のパワー半導体素子を下アームとする第3のパワーモジュールとを有し、第1のパワー半導体素子〜第4のパワー半導体素子は、この順序で直流電源の高圧側から低圧側に向かって直列接続されたワイドバンドギャップ半導体であり、第1のダイオードは、第1のパワー半導体素子と第2のパワー半導体素子の間の第1の接続点と、直流電源の中間の第2の接続点との間に接続され、第2のダイオードは、第3のパワー半導体素子と第4のパワー半導体素子の第3の接続点と、第2の接続点との間に接続されている。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    ELECTRIC POWER CONVERSION DEVICE AND ELECTRIC VEHICLE


    Additional title:

    電力変換装置及び電気車


    Contributors:

    Publication date :

    2020-03-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    ELECTRIC POWER CONVERSION DEVICE, ELECTRIC VEHICLE, AND ELECTRIC POWER CONVERSION METHOD

    YONEYAMA TAKASHI / HASEGAWA HITOSHI / YAMAMOTO TAKAMITSU et al. | European Patent Office | 2018

    Free access



    ELECTRIC VEHICLE POWER CONVERSION DEVICE

    SHIRASAWA YUKI | European Patent Office | 2017

    Free access

    Power conversion device in electric vehicle

    WATANABE YASUTO / HIRAKAWA MITSUAKI | European Patent Office | 2016

    Free access