The invention discloses an integrated topological structure of a static bidirectional wireless charging system of an electric automobile, and belongs to the technical field of electric vehicle wireless charging. According to the invention, the problems of complex topological structure of the receiving end converter of an existing electric vehicle bidirectional wireless charging system and large inductance volume of the resonance compensation network of the vehicle-mounted part of the high-power wireless charging system are solved. A transmitting end resonance compensation network is connectedwith a power grid through a power electronic converter; one power line of an electric automobile motor is simultaneously connected with one power line of a receiving end resonance compensation networkand one end of a switch S9, and the other end of the switch S9 is simultaneously connected with one end of a receiving end resonance compensation network switch S8 and the midpoint of one bridge armof a three-phase inverter bridge; the other end of the switch S8 is connected with the other power line of the receiving end resonance compensation network; and the other two power lines of the electric automobile motor are respectively connected with the midpoints of the other two bridge arms of the three-phase inverter bridge, and the three-phase inverter bridge is connected with the battery through a multiplex high-voltage Boost converter unit. The integrated topological structure is suitable for static bidirectional wireless charging of the electric automobile.
一种电动汽车静态双向无线充电系统集成拓扑结构,属于电动汽车无线充电技术领域。本发明解决了现有电动汽车双向无线充电系统接收端变换器拓扑结构复杂,及大功率无线充电系统车载部分谐振补偿网络电感体积大的问题。它的发射端谐振补偿网络通过电力电子变换器连接电网;电动汽车电机的一条电源线同时接收端谐振补偿网络的一条电源线和开关S9的一端,开关S9的另一端同时连接接收端谐振补偿网络开关S8的一端和三相逆变桥一个桥臂的中点;开关S8的另一端连接接收端谐振补偿网络的另一条电源线;电动汽车电机的另外两条电源线分别连接三相逆变桥另外两个桥臂的中点,三相逆变桥通过复用高压Boost变换器单元与电池连接。本发明适用于电动汽车静态双向无线充电使用。
Integrated topological structure of static bidirectional wireless charging system of electric automobile
一种电动汽车静态双向无线充电系统集成拓扑结构
2021-03-09
Patent
Electronic Resource
Chinese
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