图腾柱式无桥零纹波交错并联Boost功率因数校正器

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Abstract In order to improve the efficiency and power density of the low-voltage high-current input Boost PFC, a novel interleaved totem-pole bridgeless zero-ripple boost rectifier for power factor correction(PFC)is proposed in this paper. With the combination of the bridgeless and the interleaving technologies, the losses of input rectifier bridge, the power switching devices and the boost inductor are reduced, and the partial over heating points of traditional Boost PFC are eliminated, and the efficiency of the Boost PFC converter is improved, so that it is more suitable for the low-voltage high-current applications. With the combination of the interleaving and the zero-ripple technologies, the electromagnetic interference(EMI)characteristics of the converter are improved, and the size of input and output filter inductors and capacitors are reduced. Thus the converter efficiency and the power density are higher. The principle of the operation and the parameters calculations are described in detail. A 1kW prototype converter was implemented in the laboratory based on DSP, and the tested result verifies the analysis.

Key words： Power factor correction zero-ripple interleaved bridgeless digital control

Received: 01 November 2010 Published: 07 March 2014

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TM46

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	Articles by authors
	Wang Yifeng
	Xu Dianguo
	Xu Bo
	Wang Binze
	Yang Chaohui
	Zhang Xiangjun

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Wang Yifeng,Xu Dianguo,Xu Bo等. An Interleaved Totem-Pole Bridgeless Boost PFC Rectifier with Zero-Ripple Current Filter[J]. Transactions of China Electrotechnical Society, 2011, 26(9): 175-182.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I9/175

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