PROBLEM TO BE SOLVED: To prevent an energy from a power source side from flowing at a regenerative operation.SOLUTION: An electric power conversion system 1 comprises: an electric power conversion part 15 that converts a DC power and an AC power; a regenerative power control device 11 that consumes or stores a residual power of a generated power Pconverted by the electric power conversion part 15; a filter capacitor 12 connected to a DC side of the electric power conversion part 15; and a conduction ratio determination part 16 that determines a conduction ratio γ of the regenerative power control device 11 on the basis of the generated power P, a voltage Vapplied to the filter capacitor 12 a regenerative current Iflowing from the electric power conversion part 15 to a power source 2.SELECTED DRAWING: Figure 1

    【課題】回生動作時に電源側からエネルギーが流入しないようにする。【解決手段】電力変換装置1は、直流電力と交流電力の変換を行う電力変換部15と、回生動作時に、電力変換部15により変換された発電電力PACのうち、余分な電力を消費又は蓄電する回生電力制御装置11と、電力変換部15の直流側に接続されたフィルタコンデンサ12と、回生電力制御装置11の通流率γを発電電力PAC、フィルタコンデンサ12に印加された電圧VC、及び電力変換部15から電源2へ流れる回生電流ILに基づいて決定する通流率決定部16と、を備える。【選択図】図1


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    Title :

    ELECTRIC POWER CONVERSION SYSTEM


    Additional title:

    電力変換装置


    Contributors:

    Publication date :

    2018-08-09


    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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