断续模式单电感双输出Buck功率因数校正变换器

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Abstract Two stage multiple output power factor correction(PFC) converter has the disadvantages of high cost and large size. In order to solve the above problems, a novel single-inductor dual-output Buck PFC converter was proposed in this paper. Control strategy and corresponding characteristics were analyzed. Independent regulation can be achieved in this converter by multiplexing a single inductor. Inductor current operates in discontinuous conduction mode(DCM), eliminates the cross- regulation of each output. Compared with conventional two-stage multiple output solution, this solution benefits with significant overall cost saving, small size and light weight of equipment and device. Due to single stage power conversion, this PFC converter also benefits with high efficiency advantage. Finally, the characteristics of efficiency, power factor and output accuracy were verified in experimental results.

Key words： Buck power factor correction single-inductor dual-output discontinuous conduction mode single stage

Received: 29 October 2013 Published: 30 November 2015

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TM46

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	Articles by authors
	Liu Xueshan
	Xu Jianping
	Wang Nan
	Gao Jianlong

Cite this article:

Liu Xueshan,Xu Jianping,Wang Nan等. Single-Inductor Dual Output Buck Power Factor Correction Converter Operating in Discontinuous Conduction Mode[J]. Transactions of China Electrotechnical Society, 2015, 30(22): 62-70.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I22/62

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