二次侧绕组串-并联自调整的交错并联正激变流器

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Abstract In this paper, a new rectifier topology is proposed. It is used in an interleaved active-clamp forward converter with series-parallel auto regulated secondary windings. With the proposed topology the secondary side of the two interleaving channels works in series when the input voltage is low and the steady state conversion gain of the converter can be improved. The maximum duty cycle can be extended to be larger than 0.5. The steady state of secondary side windings are determined by duty cycle of the converter. Accordingly, the current stress of primary side can be reduced by using interleaving structure. And the voltage stresses of secondary side are reduced by the proposed rectifier as well as the current ripple in the output filter inductor. A 240W prototype is built up to verify the theoretical analysis.

Key words： Series-parallel auto regulation interleaving active-clamp forward low voltage stress

Received: 14 March 2009 Published: 04 March 2014

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TM46

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	Wu Xinke
	Zhang Guoxing
	Zhao Rongxiang
	Qian Zhaoming

Cite this article:

Wu Xinke,Zhang Guoxing,Zhao Rongxiang等. Interleaved Forward Converter With Series-Parallel Auto Regulated Secondary Windings[J]. Transactions of China Electrotechnical Society, 2010, 25(8): 66-71.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I8/66

[1] Tan F D. The forward converter: from the classic to the contemporary[C]. Proceeding of IEEE Applied Power Electronics Conference and Exposition, 2002: 857-863.
[2] Leu C S, Hua G, Lee F C, et al. Analysis and design of RCD clamp forward converter[C]. Proceeding of HFPC, 1992: 198-208.
[3] Bridge C D. Clamp voltage analysis for RCD forward converters[C]. Proceeding of IEEE Applied Power Electronics Conference and Exposition, 2000: 959-965.
[4] Ji H K, Kim H J. Active clamp forward converter with MOSFET synchronous rectification[C]. Proceeding of IEEE PESC, 1994: 895-901.
[5] Cobos J A, Garcia O, Sebastian J, et al. Active clamp PWM forward converter with self driven synchronous rectification[C]. Proceeding of IEEE Intelec, 1993: 200-206.
[6] Lin B R, Chiang H K, Huang C E, et al. Analysis of an active clamp forward converter[C]. Proceeding of IEEE PEDS, 2005: 140-145.
[7] 陈道炼, 胡育文, 严仰光. 有源钳位正激变换器稳态分析与小信号特性[J]. 电工技术学报, 2000, 15(4): 40-46.
[8] Zhang M T, Jovanovic M M, Lee F C Y. Analysis and evaluation of interleaving techniques in forward converters[J]. IEEE Transactions on Power Elec- tronics, 1998, 13(4): 690-698.
[9] Bascope R T, Barbi I. A double ZVS-PWM active- clamping forward converter[C]. Proceeding of IEEE Applied Power Electronics Conference and Exposition, 1999: 596-601.
[10] Lo Y K, Kao T S, Lin J Y. Analysis and design of an interleaved active-clamping forward converter[J]. IEEE Transactions on Industrial Electronics, 2007, 54: 2323-2332.
[11] Zhao J B, Sekine M, Ushiki S, et al. An improved interleaved forward converter[C]. Proceeding of IEEE PESC, 2006: 1-5.
[12] Qian Ting, Lehman B. Dual interleaved active-clamp forward with automatic charge balance regulation for high input voltage application[J]. IEEE Transactions on Power Electronics, 2008, 23(1): 38-44.
[13] Jin T, Zhang W, Azzolini A, et al. A new interleaved forward converter with inherent demagnetizing feature[C]. Proceeding of IEEE ISA, 2005: 625-630.