基于γ匹配的磁共振协同工作方式研究

doi:10.19595/j.cnki.1000-6753.tces.180407

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Abstract Based on the four-coil magnetic resonance wireless power transfer system, a magnetic resonance cooperative operating mode is proposed in this paper, which realizes the tight-strong coupling cooperative operating and optimizes the transmission efficiency between coils. In order to solve the impedance matching problem, a resonance coil with γ matching is designed, and its matching method is summarized. The input impedance of the resonance coil can be adjusted to match the output impedance of high-frequency power supply and load impedance. Finally, an experimental platform is established. The experimental results show that the coils can match the output impedance of high-frequency power supply and the load impedance accurately in the magnetic resonance cooperative operating mode, and the transmission efficiency can reach 40% at 60cm. Moreover, the coil design method in this paper also provides a new idea for the coil design of mid-range wireless power transfer system.

Key words： Cooperative operating mode γ matching coil design magnetic resonance coupling wireless power transfer

Received: 25 March 2018 Published: 15 February 2019

PACS:	TM15
	TM72

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	Articles by authors
	Wei Bin
	Wang Songcen
	Wu Xiaokang
	Meng Hao
	Zhang Xian

Cite this article:

Wei Bin,Wang Songcen,Wu Xiaokang等. Research on Magnetic Resonance Cooperative Operating Mode Based on γ Matching[J]. Transactions of China Electrotechnical Society, 2018, 33(zk2): 278-286.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180407 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/Izk2/278

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