A novel active snubber for high-power boost converters

被引：35
|
作者：
Jovanovic, MM [1 ]
Jang, YT [1 ]
机构：
[1] Delta Prod Corp, Power Elect Lab, Res Triangle Pk, NC 27709 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2000年 / 15卷 / 02期
关键词：
active snubber; boost converter; power factor correction; reverse recovery loss; zero voltage switching;
D O I：
10.1109/63.838100
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 technique which improves the performance of the boost converter by reducing the reverse-recovery-related losses in the boost switch and rectifier with an active snubber that is implemented with a minimum number of components is presented. This minimum-component-count snubber consists of a snubber inductor, an auxiliary switch, and a rectifier. The proposed technique reduces the reverse-recovery-related Posses by controlling the turn-off di/dt rate of the rectifier current with the snubber inductor connected in series with the boost switch and rectifier. The voltage and current stresses of the components in the proposed active-snubber boost converter are similar to those in its conventional "hard-switched" counterpart.
引用
收藏
页码：278 / 284
页数：7
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