The invention relates to an electric vehicle power sharing group charging system and a method thereof. The system comprises a power converter station, the input end of the power converter station is connected to an energy storage battery and an alternating current power grid, and the output end of the power converter station is connected with a plurality of charging piles corresponding to different charging parking spaces; the power converter station and the charging pile are respectively connected to the controller, and the power converter station is used for carrying out DC/DC conversion on direct current electric energy output by the energy storage battery and carrying out AC/DC conversion on alternating current electric energy output by the alternating current power grid so as to output rechargeable direct current electric energy to the charging pile; the controller controls the working states of the power converter station and the charging piles according to the charging power of the to-be-charged vehicle. Compared with the prior art, automatic power distribution can be carried out according to the charging power required by the electric vehicles, so that different electric vehicles can be charged according to needs at the same time, and the problem of electric vehicle group charging is effectively solved.
本发明涉及一种电动汽车功率共享群充系统及其方法,该系统包括功率变流站,功率变流站的输入端分别连接至储能电池和交流电网,功率变流站的输出端连接有多个对应于不同充电车位的充电桩,功率变流站和充电桩分别连接至控制器,功率变流站用于对储能电池输出的直流电能进行DC/DC变换、对交流电网输出的交流电能进行AC/DC变换,以输出可充直流电能给充电桩;控制器根据待充电汽车的充电功率,以分别控制功率变流站和各个充电桩的工作状态。与现有技术相比,本发明能够根据电动汽车需要的充电功率进行自动功率分配,以同时对不同电动汽车进行按需充电,有效解决电动汽车群充电的问题。
Electric vehicle power sharing group charging system and method thereof
一种电动汽车功率共享群充系统及其方法
2021-06-11
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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