Novel zero-voltage and zero-current-switching full-bridge PWM converter using a simple auxiliary circuit

被引：117

作者：

Cho, JG ^{[1
]}

Baek, JW ^{[1
]}

Jeong, CY ^{[1
]}

Rim, GH ^{[1
]}

机构：

[1] Korea Electrotechnol Res Inst, Power Elect Res Div, Changwon 641120, South Korea

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1999年 / 35卷 / 01期

关键词：

DC/DC converter; insulated gate bipolar transistor; soft switching;

D O I：

10.1109/28.740840

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel zero-voltage and zero-current-switching (ZVZCS) full-bridge pulsewidth modulation converter is presented to simplify the circuits of the previously presented ZVSCS converters. A simple auxiliary circuit, which consists of one small capacitor and two small diodes, is added in the secondary to provides ZVZCS conditions to primary switches, as well as to clamp secondary rectifier voltage, The additional clamp circuit for the secondary rectifier is not necessary. The auxiliary circuit includes neither lossy components nor additional active switches, which makes the proposed converter efficient and cost effective. The principle of operation, features, and design considerations are illustrated and verified on a 2.5-kW 100-kHz insulated-gate-bipolar-transistor-based experimental circuit.

引用

页码：15 / 20

页数：6

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