Wireless charging anti-offset system for electric vehicles based on multiple secondary coils
A one-to-multiple coil wireless power transfer system for electric vehicles was proposed to improve the anti-drift ability of the secondary side and meet the demand of energy transmission.A topology of one-to-many coil was adopt in the system,in which multi-winding transformer was designed to realize power integration with multiple coils on the secondary side.In order to resist the drift even under the condition of large horizontal offset on the secondary side,the energy transmission characteristics of the multiple coils on the secondary side were analyzed,the equivalent circuit analysis and Matlab simulation were carried out,and a self-adaptive working mode of multiple secondary coils was proposed.The research and experiments show that the proposed topology with multiple secondary coils can effectively expand the positioning range of the wireless energy transmission system and improve the anti-offset ability of the secondary side.
anti-offsetwireless power transfermultiple secondary coilsadaptive working mode
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维普
