The invention discloses a system for realizing quick charging of an electric vehicle by utilizing high-power flywheel energy storage, which belongs to the technical field of quick charging of electricvehicles. The system comprises a state grid, an AC filter, an AC/DC/AC bidirectional converter, a high-power flywheel energy storage control device and a direct current quick charging device. The ACfilter is connected with the state grid through a three-phase circuit; the AC/DC/AC bidirectional converter is connected with the AC filter and the high-power flywheel energy storage control device through a three-phase circuit; the high-power flywheel energy storage control device is connected with the AC/DC/AC bidirectional converter through a three-phase circuit to form a reversible loop; the direct current quick charging device is connected with the AC/DC/AC bidirectional converter through a single-phase circuit; functional requirements of the electric vehicle for high power and quick charging of the charging device are met through system control; and the quick charging function that the charging power is increased by 3 to 5 times and the time is shortened to 20 minutes is achieved under the condition that an existing power distribution network is not increased in capacity.

    本发明公开了一种利用大功率飞轮储能实现电动汽车快速充电系统,属于电动汽车快速充电技术领域;该系统包括国家电网、AC滤波器、AC/DC/AC双向变流器、大功率飞轮储能控制装置,和直流快速充电装置;AC滤波器通过三相电路与国家电网相连接;AC/DC/AC双向变流器通过三相电路分别与AC滤波器、大功率飞轮储能控制装置相连接;大功率飞轮储能控制装置通过三相电路与AC/DC/AC双向变流器相连接,形成可逆回路;直流快速充电装置通过单相电路分别与AC/DC/AC双向变流器;通过系统控制实现了电动汽车对充电装置大功率和快速充电的功能要求,在现有配电网不增容的情况下,实现充电功率增大3‑5倍,时间缩短到20分钟的快速充电功能。


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    Titel :

    System for realizing quick charging of electric vehicle by utilizing high-power flywheel energy storage


    Weitere Titelangaben:

    一种利用大功率飞轮储能实现电动汽车快速充电系统


    Beteiligte:
    ZHAO SHIMING (Autor:in) / CHEN DEBAO (Autor:in) / ZHAO TIEQIANG (Autor:in) / KUANG QIJI (Autor:in)

    Erscheinungsdatum :

    19.06.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    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 / 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



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