A Method of Multiple Pickups Coil Mutual Inductance Compensation and Output Power Balance in Induction Power Transfer System
Fan Manyi1,2, Shi Liming1, Yin Zhenggang1, Jiang Longbin1,2, Zhang Facong1,2
1. Key Laboratory of Power Electronics and Electric Drive Institute of Electrical Engineering Institute of Electrical Engineering Chinese Academy of Sciences Beijing 100190 China; 2. University of Chinese Academy of Sciences Beijing 100049 China
Abstract：Multiple pickup coils inductive power transfer (IPT) system can increase power. capacity and meet the power demands for high-power systems such as railway vehicle. Due to the manufacturing process or other factors, there may be parameters tolerance in pickup modules which would cause unbalanced current and reduce output power. A novel method to compensate the parameters tolerance by utilizing the mutual inductance between the adjacent pickupsis proposed in this paper. Firstly, the fundamental harmonic analysis model is established to analyze the unbalanced current of the system. Then the analysis of the proposed compensate method is provided in detail. The experimental results are presented to verify the analysis and demonstrate the performance.
范满义, 史黎明, 殷正刚, 姜龙斌, 张发聪. 感应电能传输系统中多拾取线圈互感补偿方法及输出功率平衡策略[J]. 电工技术学报, 2018, 33(17): 3998-4006.
Fan Manyi, Shi Liming, Yin Zhenggang, Jiang Longbin, Zhang Facong. A Method of Multiple Pickups Coil Mutual Inductance Compensation and Output Power Balance in Induction Power Transfer System. Transactions of China Electrotechnical Society, 2018, 33(17): 3998-4006.
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2018, Vol. 33 
