A zero-voltage transition boost converter using a zero-voltage switching auxiliary circuit

被引：33

作者：

Gurunathan, R ^{[1
]}

Bhat, AKS

机构：

[1] Hical Magnet, Bangalore, Karnataka, India

[2] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2002年 / 17卷 / 05期

基金：

加拿大自然科学与工程研究理事会;

关键词：

ac-to-dc; auxiliary circuit; dc-to-dc; power factor correction; zero-voltage switching; zero-voltage transition;

D O I：

10.1109/TPEL.2002.802184

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 soft switching boost converter with zero-voltage transition (ZVT) main switch using zero-voltage switching (ZVS) auxiliary switches is proposed. Various operating intervals of the converter are presented and analyzed. Design considerations are discussed. A design example with experimental results obtained from a 300-W, 250-kHz, 300-V output dc-dc converter is presented. A modified gating scheme to utilize the auxiliary switch in the main power processing is discussed. A 600-W, 100-kHz, 380 V output, 90-250 V ac, power factor corrected, ac-to-dc, boost converter with the modified gating scheme is presented. Results show that the main switch maintains ZVT while auxiliary switches retain ZVS for the complete specified line and load conditions. Parasitic oscillations existing in the converters proposed in the literature are completely removed.

引用

页码：658 / 668

页数：11

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