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A ZVT quasi-resonant PWM converter for unity power factor application

被引：0
|
作者：
Shi, W [1 ]
Cheng, RJ
Liang, YC
机构：
[1] Univ Elect Sci & Technol China, Dept Elect Engn, Chengdu 610054, Peoples R China
[2] Natl Univ Singapore, Dept Elect Engn, Singapore 119260, Singapore
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 1998年 / 84卷 / 04期
关键词：
D O I：
暂无
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：
In this paper, a new quasi-resonant PWM converter topology is proposed. This converter achieves zero-voltage transition (ZVT) conditions for both the main and auxiliary switching devices, and the blocking voltage of them has been clamped at a relatively low level during off period. The operating modes of the converter are analysed and described here. The proposed converter can be used for high frequency DC/DC conversion with a unity power factor. A laboratory prototype was built and experimental results were obtained for verification purposes.
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页码：421 / 428
页数：8
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