To provide a power conversion system capable of achieving versatile cooperation with electric vehicles at low cost.SOLUTION: A power converter 10 converts DC power supplied from a stationary DC power supply into AC power and outputs the converted AC power to a distribution board 3 connected to a grid 2. A vehicle connection device 20 is connected to the power converter 10 via DC power 40 and is connectable to an electric vehicle 5 that includes a power storage unit and a DC/AC converter via AC power 41. An AC/DC converter 21 included in the vehicle connection device 20 converts AC power supplied from the power storage unit of the electric vehicle 5 into DC power of DC voltage corresponding to the voltage of a DC bus Bd of the power converter 10.SELECTED DRAWING: Figure 1

    【課題】電動車との汎用性の高い連携を低コストで実現する。【解決手段】電力変換装置10は、定置された直流電源から供給される直流電力を交流電力に変換し、変換した交流電力を、系統2に接続された分電盤3に出力する。車両接続装置20は、電力変換装置10とDCケーブル40で接続され、蓄電部とDC/ACコンバータを備える電動車5とACケーブル41で接続可能である。車両接続装置20に含まれるAC/DCコンバータ21は、電動車5の蓄電部から供給される交流電力を、電力変換装置10の直流バスBdの電圧に応じた直流電圧の直流電力に変換する。【選択図】図1


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    Title :

    POWER CONVERSION SYSTEM AND VEHICLE CONNECTION DEVICE


    Additional title:

    電力変換システム、車両接続装置


    Contributors:

    Publication date :

    2022-10-05


    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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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