A novel zero-voltage and zero-current-switching full-bridge PWM converter

被引：61
作者：
Song, TT [1 ]
Huang, NC [1 ]
机构：
[1] Sichuan Univ, Dept Elect Engn, Chengdu 610065, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2005年 / 20卷 / 02期
关键词：
converter; pulse-width modulation (PWM); zero-voltage and zero-current-switching (ZVZCS);
D O I：
10.1109/TPEL.2004.843016
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 novel zero-voltage and zero-current-switching (ZVZCS) full-bridge pulse-width modulation converter is proposed. The ZCS condition of the lagging-leg is obtained by a simple secondary auxiliary circuit resetting the primary current during the freewheeling stage. The auxiliary circuit's capacitor is charged by the center tape of the secondary through a diode, and the capacitor's voltage is clamped through another diode to output capacitor, thus, the voltage stress on the rectifier is clamped. There are neither additional active switches nor resistances in the auxiliary circuit, which makes the proposed converter efficient.
引用
收藏
页码：286 / 291
页数：6
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