An Efficient Active LC Snubber for Forward Converters

被引：22

作者：

Jinno, Masahito ^{[1
]}

Chen, Po-Yuan ^{[1
]}

Lin, Kun-Chih ^{[1
]}

机构：

[1] I Shou Univ, Dept Elect Engn, Kaohsiung 840, Taiwan

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2009年 / 24卷 / 5-6期

关键词：

Active LC snubber; flyback auxiliary output; synchronous rectification; CLAMP; DESIGN;

D O I：

10.1109/TPEL.2009.2014237

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：

An efficient active LC snubber for forward converters is proposed in this paper. The proposed active LC snubber can be used to reset transformer and suppress switching surge. Further, by storing surge energy in the proposed active LC snubber and then releasing it to the flyback auxiliary output, the converter can achieve high efficiency. For a forward converter with active LC snubber, 91.02%, the maximum output efficiency can be obtained. Because of the high performance on surge suppression and energy recovery, experimental results show that the output efficiency of this proposed converter is higher than that of active-clamped-based converters. Furthermore, for a synchronous rectification forward converter with this active LC snubber, the maximum output efficiency can be further raised to 94.72%.

引用

页码：1522 / 1531

页数：10

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