The invention discloses a direct current charging system which comprises N high-voltage direct-current power transmission modules, a central control unit, power distribution units, a charging interface control unit, a backboard and a charging gun. Each power distribution unit is connected with the output ends of the M high-voltage direct-current power transmission modules through the backboard; M and N are positive integers, and M is less than N; the charging interface control unit is used for carrying out charging information interaction with an electric vehicle and sending a power request to the central control unit; the central control unit is used for distributing the high-voltage direct-current power transmission modules to the power distribution units according to the power request and controlling the output voltage and the output current of the high-voltage direct-current power transmission modules; and the power distribution units are used for charging the electric vehicle through the charging gun. The direct current charging system is flexible in configuration and convenient to expand, adopts a modular design, and is convenient to maintain due to the fact that the components are mutually independent.
本申请公开了一种直流充电系统,包括:N个高压直流输电模块、中央控制单元、功率分配单元、充电接口控制单元、背板以及充电枪;每个功率分配单元通过背板与M个高压直流输电模块的输出端相连;M与N均为正整数,且M
Direct current charging system
一种直流充电系统
2021-06-25
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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