The invention relates to the technical field of electric vehicle wireless charging, and discloses a short-segment transmitting coil parallel type electric vehicle dynamic wireless charging system which comprises a high-frequency alternating current power supply, a commutation circuit, a resonance compensation circuit and a short-segment transmitting coil. According to the resonance compensation circuit, LCC topology is formed by L1-C1-Ct, wherein a resonance capacitor Ct is an adjustable capacitor which is changed according to a system control mode and the number of charged electric vehicles; and the short-segment transmitting coil Ltm is connected to the commutation circuit in parallel. Compared with the prior art, the short-segment transmitting coil parallel connection type dynamic wireless charging system for the electric vehicle has the advantages that the integrated design of the commutation circuit and the resonance compensation circuit is realized, and the use number of components is greatly reduced, so that the size and the cost of equipment are reduced, and the system has very high practicability and economical efficiency; the method is of great significance in promoting the development of the dynamic wireless charging technology of the electric vehicle.
本发明涉及电动汽车无线充电技术领域,公开了一种短分段发射线圈并联型电动汽车动态无线充电系统,包括高频交流电源、换流电路、谐振补偿电路、短分段发射线圈。谐振补偿电路由L1‑C1‑Ct组成LCC拓扑,其中谐振电容Ct为根据系统控制方式和充电电动汽车数量进行改变的可调电容;短分段发射线圈Ltm以并联的方式连接至换流电路中。与现有技术相比,本发明的短分段发射线圈并联型电动汽车动态无线充电系统,实现了换流电路与谐振补偿电路的一体化设计,大大减少元器件的使用数量,从而降低设备的体积与成本,有很强的实用性及经济性,对推动电动汽车动态无线充电技术的发展具有重要意义。
Short segment transmitting coil parallel connection type electric vehicle dynamic wireless charging system
短分段发射线圈并联型电动汽车动态无线充电系统
2022-05-10
Patent
Electronic Resource
Chinese
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