基于弧形线圈结构的无线充电系统能量传输与控制

doi:10.19595/j.cnki.1000-6753.tces.191834

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Abstract This paper develops a wireless charging system using an arc coil and secondary side control method based on magnetically coupled resonance technology, which has certain reference to the wireless charging technology of underwater autonomous vehicle (AUV). Firstly, a magnetic coupler featuring a small-volume and lightweight receiver is proposed that can be adapted to the special arc shape of AUVs. The performance of the magnetic coupler is analyzed by finite element analysis and experiments. It is found that the magnetic coupler has good self-concentrating ability of magnetic field, and the coupling coefficient is high to 0.53. Secondly, the power transfer and control topology with reliable operation and secondary side control is designed, the regulating effect of the Buck converter on the charging voltage and current by the duty cycle is analyzed, and the closed-loop design is completed. Finally, an experimental system is built to verify the proposal. The results show that the 48V battery (11A constant current/54.1V constant voltage) can be charged normally. The maximum charging power of the system is 600W with an efficiency of 88.3%.

Key words： Autonomous underwater vehicle (AUV) wireless charging magnetic coupler secondary side control

Received: 30 December 2019

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TM724

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	Cai Chunwei
	Wu Shuai
	Zhang Yanyu
	Liu Jinquan
	Yang Shiyan

Cite this article:

Cai Chunwei,Wu Shuai,Zhang Yanyu等. Power Transfer and Control of Wireless Charging System Based on an Arc Coil Structure[J]. Transactions of China Electrotechnical Society, 2020, 35(14): 2959-2968.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191834 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I14/2959

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