Single-Switch Quasi-Resonant Converter

被引：72
作者：
Kwon, Jung-Min [1 ]
Choi, Woo-Young [1 ]
Kwon, Bong-Hwan [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Elect & Elect Engn, Pohang 790784, South Korea
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2009年 / 56卷 / 04期
关键词：
Quasi-resonant converter; soft switching; BUCK-BOOST TYPE; ACTIVE-CLAMP; VOLTAGE; TRANSITION; EFFICIENCY; DESIGN;
D O I：
10.1109/TIE.2008.2006239
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A single-switch quasi-resonant converter is proposed to obtain high efficiency. Using a variable switching frequency control, this converter is continuously operated at the critical conduction mode for soft switching of the power semiconductor switch. By the resonance, the proposed converter reduces the turn-on loss of the switch without additional active switches and alleviates the reverse-recovery losses of the rectifying diodes. Furthermore, the voltage stress of the rectifying diodes due to the output series resonant circuit is clamped to the output voltage. Experimental results for the 48-V/160-W converter at the variable switching frequency are obtained to show the performance of the proposed converter.
引用
收藏
页码：1158 / 1163
页数：6
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