一种单级隔离型Sepic逆变器

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Abstract A novel single-stage isolated Sepic inverter is proposed. The proposed inverter only needs three power devices and a high frequency transformer. Its structure is simple and easy to implement. As derived from Sepic DC converter, the proposed inverter is of the ability to buck/boost input voltage and is much suitable for renewable resource generation system with DC link voltage of wide range fluctuation. The circuit structure and operation principle are introduced. One cycle control is applied to realize the closed-loop control. The magnetic integration design scheme of the proposed inverter is presented. Simulation and experiments are performed. The results indicate that the proposed inverter is of excellent dynamic and stable performance.

Key words： Single-stage isolated Sepic inverter renewable resource generation system wide range fluctuation of DC voltage single cycle control magnetic integration

Received: 27 August 2014 Published: 13 October 2016

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TM464

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	Articles by authors
	Wang Liqiao
	Zhu Bainian
	Sun Xiaofeng

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Wang Liqiao,Zhu Bainian,Sun Xiaofeng. A Single-Stage Isolated Sepic Inverter[J]. Transactions of China Electrotechnical Society, 2016, 31(18): 75-82.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I18/75

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