带零电压转换软开关的新型单相单级隔离式Cuk开关电源

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Abstract Abstract of the Cuk converter has some disadvantages under hard-switching operations, such as high switch losses, low efficiency of conversion, and large electromagnetic interference (EMI), and so on. A new ZVT isolated Cuk converter system is proposed in this paper. The operation modes and parameters design procedure are given as well. A prototype of 500W is built and tested. The experimental results show that all switches can operate in soft-switching mode. Compared with the converter under hard-switching operations, the peak current and peak voltage decrease obviously, while the efficiency of the proposed Cuk converter is improved significantly, which validate that the proposed methods and parameters calculation are reasonable.

Key words： Switching power supply isolated Cuk converter zero voltage transition soft-switching single-stage converter

Received: 05 October 2014 Published: 02 December 2016

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TM46

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	Articles by authors
	Su Xiaoli
	Dian Songyi
	Zheng Wanli

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Su Xiaoli,Dian Songyi,Zheng Wanli. A Novel Single-Phase Single-Stage Isolated Cuk Switching Power Supply with Zero Voltage Transition Soft-Switching[J]. Transactions of China Electrotechnical Society, 2016, 31(22): 66-72.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I22/66

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