双频段磁耦合谐振式无线电能传输系统特性分析及实验验证

doi:10.19595/j.cnki.1000-6753.tces.L70360

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Abstract Dual-band wireless power transfer (WPT) system can provide two channels with different frequencies for power transfer and signal transmission. According to the impedance-frequency characteristic of the single-band WPT coil, a design method of dual-band WPT coil was proposed. The dual-band WPT system via magnetic resonant coupling (MRC) was designed, and the notch circuit was used to separate signal wave and power wave at receiving side. Partial element equivalent circuits (PEECs) were built for the dual-band system. Afterward, impedance characteristic of the dual-band coil, power transfer capacity and system efficiency were calculated. It is shown that the system can synchronously transfer signal without affecting the power transmission efficiency. The well consistency between experimental results and the theoretical analysis shows the effectiveness of the design method.

Key words： Wireless power transfer (WPT) magnetic resonant coupling (MRC) dual band signal transmission

Published: 10 October 2017

PACS:

TM72

Fund:中央高校基本科研业务费专项资金（2014MS102）资助

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	Li Lin
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Cite this article:

Li Lin,Li Ran. Analysis and Experimental Verification of Dual-Band Wireless Power Transfer System Via Magnetic Resonant Coupling[J]. Transactions of China Electrotechnical Society, 2017, 32(18): 90-97.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L70360 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I18/90

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