The invention discloses a capacity mutual-aid storage and charging system and a control method thereof in the technical field of storage and charging integration, the system comprises an AC/DC converter, an outgoing line switch K, a direct current bus and charging piles, the output end of the AC/DC converter is connected to the direct current bus through the outgoing line switch K, and the input ends of a plurality of charging piles are connected to the direct current bus; the charging pile comprises switches K1-K5, a high/low voltage DC/DC converter, a charging unit and an energy storage unit. One end of the switch K1 is connected to a direct current bus, the other end of the switch K1 is connected to one end of the low-voltage DC/DC converter, one end of the high-voltage DC/DC converter and one end of the switch K2, the other ends of the low-voltage DC/DC converter, the high-voltage DC/DC converter and the switch K2 are connected to the charging unit and the energy storage unit through the switch K4 and the switch K5 respectively, and the switch K3 is connected between the switch K2 and the switch K5 in series; the impact of the charging pile on the power grid and the construction cost can be reduced.
本发明公开了储充一体化技术领域的一种容量互济储充系统及其控制方法,系统包括AC/DC变换器、出线开关K、直流母线以及充电桩,AC/DC变换器的输出端经出线开关K连接至直流母线,多个充电桩的输入端均接入直流母线;充电桩包括开关K1~K5、高/低压DC/DC变换器、充电单元和储能单元;开关K1的一端连接至直流母线,另一端连接至低压DC/DC变换器、高压DC/DC变换器以及开关K2的一端,低压DC/DC变换器、高压DC/DC变换器以及开关K2的另一端分别经开关K4和开关K5连接至充电单元和储能单元,开关K3串联于开关K2和开关K5之间;本发明能够减小充电桩对电网的冲击以及降低建设成本。
Capacity mutual-aid storage and charging system and control method thereof
一种容量互济储充系统及其控制方法
2025-01-21
Patent
Electronic Resource
Chinese
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