具有恒压特性的磁共振模式无线供电系统

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Abstract In the practical application of the magnetic resonance mode wireless power supply system, the constant output voltage is typically required. To improve the stability of the system transmission power, the system operating frequency usually should be remains constant too. In this paper, magnetic resonance mode wireless power supply system as the research object, in which the transmitter coil is parallel-compensation, while the receiving coil and the resonance coils are series-compensated. Based on the the mutual inductances model, the parametric boundary conditions for keeping the system transmitting coil current and output voltage constant is given. So that under conditions of no controller, by constant frequency driving and not changing the distance between the coils, the system still be able to run in the constant voltage state as the load changes. Through simulation and experimental results show that the proposed method has good constant voltage characteristics.

Key words： Magnetic resonance mode mutual inductance coupling boundary condition constant voltage characteristics

Received: 04 September 2013 Published: 05 November 2014

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TM724

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	Articles by authors
	Zhai Yuan
	Sun Yue
	Su Yugang
	Wang Zhihui
	Li Yupeng

Cite this article:

Zhai Yuan,Sun Yue,Su Yugang等. Magnetic Resonance Wireless Power Supply System with Characteristics of Constant Voltage[J]. Transactions of China Electrotechnical Society, 2014, 29(9): 12-16.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2014/V29/I9/12

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