PROBLEM TO BE SOLVED: To provide a vehicle auxiliary power supply device configured to be capable of implementing further downsizing.SOLUTION: A vehicle auxiliary power supply device 100A comprises: a converter device 2 that is mounted on an electric vehicle and converts DC power supplied from a DC power supply 1 into desired DC power; and a three-phase inverter 3A that converts DC power supplied from the converter device 2 into sinusoidal three-phase AC power to supply the AC power to a load 4. The three-phase inverter 3A includes a switching element that is formed using a wide bandgap semiconductor, is driven at a switching frequency equal to or higher than 50 kHz; a filter reactor 5 and a filter capacitor 6 are provided on the output side of the three-phase inverter 3A.SELECTED DRAWING: Figure 1

    【課題】更なる小型化を実現可能に構成される車両用補助電源装置を提供すること。【解決手段】電気車に搭載され、直流電源1から供給される直流電力を所望の直流電力に変換するコンバータ装置2と、コンバータ装置2から供給される直流電力を正弦波状の三相の交流電力に変換して負荷4に供給する三相インバータ3Aとを備えた車両用補助電源装置100Aであって、三相インバータ3Aのスイッチング素子はワイドバンドギャップ半導体によって形成され、50kHz以上のスイッチング周波数で駆動され、三相インバータ3Aの出力側にはフィルタリアクトル5およびフィルタコンデンサ6を設けた。【選択図】図1


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    Title :

    VEHICLE AUXILIARY POWER SUPPLY DEVICE


    Additional title:

    車両用補助電源装置


    Contributors:

    Publication date :

    2017-06-15


    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



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