The invention relates to the technical field of electric vehicle bidirectional charging piles, in particular to a high-efficiency inter-pile power scheduling method of a small-granularity bidirectional multi-pile charging system, and the method comprises the following steps: pairing power output piles and power input piles in a station to form a bidirectional charging pile combination; a first connecting port is led out from the direct current bus side of the power output pile, and a second connecting port is led out from the pile side direct current output side of the power input pile; and the first connecting port and the second connecting port are connected, so that the power output pile and the power input pile enter an inter-pile mutual charging mode, and at the moment, the DC/DC of the power output pile converts electric energy of the electric automobile connected with the power output pile and then charges the electric automobile connected with the power input pile. In the prior art, power provided by a V2G charging pile to a power grid is actually consumed by another pile in the same station, four-stage power conversion is needed to transmit electric energy of one pile to the other pile, and only one-stage power conversion is needed in the invention, so that the efficiency of inter-pile mutual charging is greatly improved.
本发明涉及电动汽车双向充电桩技术领域,尤其是涉及小颗粒度双向多桩充电系统的高效率桩间功率调度方法,所述方法包括如下步骤:将站内的功率输出桩和功率输入桩进行配对形成双向充电桩组合;从功率输出桩的直流母线侧引出第一连接端口,从功率输入桩的桩侧直流输出侧引出第二连接端口;连接第一连接端口和第二连接端口,使功率输出桩和所述功率输入桩进入桩间互充模式,此时由功率输出桩的DC/DC将其连接的电动汽车的电能转换后给功率输入桩连接的电动汽车充电。现有技术中V2G充电桩向电网提供的功率实际上是被同一站点内另一桩所消耗,将一个桩的电能传输到另一个桩需要四级功率变换,而本发明则只需一级功率变换,从而大幅提升了桩间互充的效率。
High-efficiency inter-pile power scheduling method for small-granularity bidirectional multi-pile charging system
小颗粒度双向多桩充电系统的高效率桩间功率调度方法
17.09.2024
Patent
Elektronische Ressource
Chinesisch
Europäisches Patentamt | 2024
|Charging pile scheduling system and charging pile scheduling method
Europäisches Patentamt | 2023
|Intelligent bidirectional charging pile system, method and device and charging pile
Europäisches Patentamt | 2022
|