基于F-F/T变结构谐振网络的恒压-恒流型电场耦合电能传输系统

doi:10.19595/j.cnki.1000-6753.tces.180350

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Abstract Electric-field Coupled Power Transfer (ECPT) systems employ high frequency electric field as energy medium to transfer power wirelessly. Some electrical devices require a supply source that can switch between constant voltage (CV) source and constant current (CC) source. When supplying such devices, the output of an ECPT system should maintain constant regardless of the load variation, and the output characteristic can switch between CV and CC. This paper proposes an ECPT system with a constant voltage and constant current output based on F-F/T changeable resonant circuit. The transfer characteristics of T-CLC, F-LCLC, as well as the F-CLCL resonant circuits are analyzed, and the conditions for CV and CC of these circuits are deduced, respectively. Then, the topology transformation method of the T-CLC and F-CLCL circuits is presented. Based on the characteristics of the resonant circuits, a parameter design method for the system is proposed. Finally, the transfer characteristics and the design method are validated by simulations and experiments.

Key words： Wireless power transfer electric field coupling constant output changeable resonant circuit

Received: 14 March 2018 Published: 29 March 2019

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TM724

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	Su Yugang
	Xie Shiyun
	Wang Zhihui
	Wu Xueying
	Zhao Yuming

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Su Yugang,Xie Shiyun,Wang Zhihui等. An Electric-Field Coupled Power Transfer System with Constant Voltage and Constant Current Output Based on F-F/T Changeable Resonant Circuit[J]. Transactions of China Electrotechnical Society, 2019, 34(6): 1127-1136.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180350 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I6/1127

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通信作者:苏玉刚男,1962年生,博士,教授,研究方向为无线电能传输技术、电能变换与控制技术、控制理论应用与自动化系统集成.E-mail: su7558@qq.com