隔离型双半桥DC-DC变换器的软开关特性

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Abstract This papermainly discusses the dual-half-bridge (DHB) DC-DC converter. First, the operation principle of DHB is introduced and the possible switching processes are analyzed in details. Then, two soft-switching conditions of each switch are given. Moreover, three principles of the resonant current, output power and dead time are summarized. The minimum output power to realize the soft switching is derived. Finally, an improved control technique is proposed to extend the soft-switching range. The experimental results verify the theoretical analysis and the proposed control technique.

Key words： DC-DC converter soft-switching zero-voltage switching phase-shifted control

Received: 11 November 2015 Published: 26 May 2017

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TM46

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	Articles by authors
	Xiong Fei
	Wu Junyong
	Hao Liangliang
	Zhang Jurui
	Zhang Jiao

Cite this article:

Xiong Fei,Wu Junyong,Hao Liangliang等. Soft Switching Characteristics of the Dual-Half-Bridge DC-DC Converter[J]. Transactions of China Electrotechnical Society, 2017, 32(10): 196-205.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I10/196

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