旋转式松耦合变压器的绕组优化设计

doi:10.19595/j.cnki.1000-6753.tces.L80260

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Abstract Theloosely coupled transformer, which is the core mechanism of the rotary wireless excitation system, has a large air gap. As a result, the leakage inductance is large, which makes the coupling coefficient cannot be validly improved, and also the improvement of the system efficiency is limited. In order to solve this problem, the equivalent model is establishedand leakage inductance is analyzed for the rotary loosely coupled transformer firstly. Aiming at the defects existing in the common winding and the PCB winding is proposed. The feasibility of the optimized structure is determined by using Ansys/Maxwell simulation analysis software. The S-S resonance compensation scheme is designed,then theSimplorer and Maxwell are used for co-simulation to further verify the optimization of the scheme. An experimental platform is set up to compare the coupling coefficient and transmission efficiency of the improved loosely coupled transformer under a large air gap condition, which verified the rationality of the proposed scheme.

Key words： Rotary wireless excitation system loosely coupled transformer winding optimization

Received: 29 June 2018 Published: 17 July 2019

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TM402

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	Yang Yugang
	Wu Yao
	Huang Weiyi

Cite this article:

Yang Yugang,Wu Yao,Huang Weiyi. The Optimized Design of Winding for Rotary Loosely Coupled Transformer[J]. Transactions of China Electrotechnical Society, 2019, 34(13): 2782-2792.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80260 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I13/2782

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