Reduction of DC-Link Capacitance in Bridgeless PFC Boost Rectifiers

被引：0

作者：

Hoang Vu Nguyen ^{[1
]}

Lee, Dong-Choon ^{[1
]}

机构：

[1] Yeungnam Univ, Dept Elect Engn, 280 Daehak Ro, Gyongsan, Gyeongbuk, South Korea

来源：

2015 IEEE 2ND INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE (IFEEC) | 2015年

关键词：

Active power decoupling; bridgeless PFC boost rectifier; ripple energy; single-phase rectifier; CONVERTERS;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, a low-cost bridgeless power factor correction (PFC) boost rectifier with a small DC-link capacitor is proposed, where a buck-boost converter with a low power rating is added at the DC link. To solve an inherent problem of the second-order power ripple flowing from the source to the DC side in single-phase converter system, an auxiliary circuit is utilized to absorb the power ripple, by which the DC-link capacitance can be reduced by about one-eighth. As a result, the bulky electrolytic capacitor can be replaced by a small film capacitor. In the meanwhile, the input current is regulated to be sinusoidal by the PR (proportional resonant) and repetitive control. The validity of the proposed method have been verified by simulation results.

引用

页数：5

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