Continuous-conduction-mode SEPIC converter with low reverse-recovery loss for power factor correction

被引：50

作者：

Kwon, J. -M. ^{[1
]}

Choi, W. -Y. ^{[1
]}

Lee, J. -J. ^{[1
]}

Kim, E. -H. ^{[1
]}

Kwon, B. -H. ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Elect & Elect Engn, Pohang 790784, Kyungbuk, South Korea

来源：

IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS | 2006年 / 153卷 / 05期

关键词：

D O I：

10.1049/ip-epa:20060486

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A continuous-conduction-mode SEPIC converter with low reverse-recovery loss is proposed for power factor correction. The proposed SEPIC converter can reduce the reverse-recovery loss of the diodes and improve the power efficiency. By utilising a coupled inductor and an additional diode, zero-current turn-off of the output diode is achieved. The reverse-recovery current of the additional diode is reduced by the leakage inductor of the coupled inductor. The proposed SEPIC converter provides high power efficiency and high power factor compared to the conventional PFC circuits employing the SEPIC converter. An operation principle and a detailed analysis of the proposed converter are presented. Experimental results are discussed for a 300 W (330 V/0.9 A) prototype under the universal input voltage (90-265 V). It is shown that the efficiency of the SEPIC converter can be significantly improved.

引用

页码：673 / 681

页数：9

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