The invention provides a direct current charging system, which comprises a transformer, a plurality of first rectification output control units, a first combination switch unit, a centralized control unit and a plurality of charging output ports, and is characterized in that the transformer comprises a primary winding and a plurality of first secondary windings, and the first combination switch unit comprises a plurality of first switches; the first rectification output control unit, the charging output port and the first secondary winding of the transformer are in one-to-one correspondence; a primary winding of the transformer is electrically connected with a three-phase alternating current power supply, each first secondary winding of the transformer is electrically connected with the input end of the corresponding first rectification output control unit, and the output end of each first rectification output control unit is electrically connected with the corresponding charging output port. Each charging output port is used for providing a direct-current power supply for a to-be-charged load; the output ends of the plurality of first rectification output control units are sequentially and electrically connected in a looped network mode through the plurality of first switches, and the centralized control unit is electrically connected with the control end of each first switch.
本发明提供一种直流充电系统,直流充电系统包括变压器、多个第一整流输出控制单元、第一组合开关单元、集中控制单元和多个充电输出口,变压器包括初级绕组和多个第一次级绕组,第一组合开关单元包括多个第一开关,第一整流输出控制单元、充电输出口和变压器的第一次级绕组一一对应;变压器的初级绕组与三相交流电源电连接,变压器的每个第一次级绕组分别与对应的第一整流输出控制单元的输入端电连接,每个第一整流输出控制单元的输出端分别与对应的充电输出口电连接,每个充电输出口分别用于对待充电负载提供直流电源;多个第一整流输出控制单元的输出端通过多个第一开关以环网方式依次电连接,集中控制单元分别与每个第一开关的控制端电连接。
Direct current charging system
直流充电系统
2024-04-02
Patent
Electronic Resource
Chinese
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 |
Charging method of direct current charging system and direct current charging system
European Patent Office | 2022
|Direct current charging equipment and direct current charging system
European Patent Office | 2024
|Direct current charging pile and direct current charging system thereof
European Patent Office | 2023
|Direct current charging system and direct current charging control method
European Patent Office | 2024
|