基于无线电能传输系统多线圈结构参数优化设计

doi:10.19595/j.cnki.1000-6753.tces.L90459

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Abstract Multi-coil systems are often used to achieve uniform magnetic field distribution, and the optimization of the size of the coil system determines the degree of uniformity of the magnetic field. Therefore, based on genetic algorithm, the mathematical model of the magnetic field generated by the Helmholtz type multi-coil system was constructed; Further analysis was carried out for the disadvantages of the uniformity of the magnetic field of the single feature point as a decision indicator and the advantages of multiple feature points as a decision indicator; Finally, the size of the three-coil and four-coil system was optimized, and the magnetic field distribution of two-coil, three-coil and four-coil system were compared. The analysis shows that the optimized four-coil Helmholtz system can generate a more uniform magnetic field than others, and the numerical simulation results are in good agreement with the theoretical derivation results. The conclusion presented in this paper is of great significance to the guidance for the optimal design of coupling mechanism in wireless power transfer technology.

Key words： Wireless power transfer multi-coil system uniform magnetic field distribution decision indicator genetic algorithm

Received: 11 July 2020

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TM724

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	He Xiangrui
	Rong Cancan
	Liu Minghai

Cite this article:

He Xiangrui,Rong Cancan,Liu Minghai. Optimization Design of Multi-Coil Structure Parameters Based on Wireless Power Transfer System[J]. Transactions of China Electrotechnical Society, 2021, 36(zk2): 404-411.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L90459 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/Izk2/404

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