A novel active snubber for high-power boost converters

被引：7

作者：

Jovanovic, MM ^{[1
]}

Jang, Y ^{[1
]}

机构：

[1] Delta Prod Corp, Power Elect Lab, Res Triangle Pk, NC 27709 USA

来源：

APEC'99: FOURTEENTH ANNUAL APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, CONFERENCE PROCEEDINGS, VOLS 1 & 2 | 1999年

关键词：

D O I：

10.1109/APEC.1999.749752

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 losses 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

页码：619 / 625

页数：3

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