Abstract：For a wireless power transfer (WPT) system, the misalignment of coils can easily cause low transfer efficiency, unstable output current and over-current of transmitting coil. Therefore, this paper proposes a constant current output WPT system and its parameter design method with high anti-offset performance. In the proposed system, the LCC-LCC and S-S compensation network are connected in input series and output series, and the magnetic coupling structure of quadruple-D quadrature pads is adopted. Then, through reasonable parameter configuration, not only the load independent constant current output can be realized, but also anti-x direction, y-direction, z-direction and anti-xy direction can be realized. Moreover, the over-current of the transmitting coil is avoided. By analyzing the transfer property of the proposed system, it is proved theoretically that the system has good anti-offset performance. Finally, an experimental platform with 280W is built to verify the correctness and feasibility of the theoretical analysis.
谢文燕, 陈为. 基于组合补偿网络的抗偏移恒流输出无线电能传输系统研究[J]. 电工技术学报, 2022, 37(6): 1495-1512.
Xie Wenyan, Chen Wei. Research on Anti-Offset Constant-Current Output Wireless Power Transfer System Based on Combined Compensation Network. Transactions of China Electrotechnical Society, 2022, 37(6): 1495-1512.
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2022, Vol. 37 
