An improved full-bridge zero-voltage-transition PWM DC/DC converter with zero-voltage/zero-current switching of the auxiliary switches

被引：39

作者：

Lee, DY ^{[1
]}

Lee, BK

Yoo, SB

Hyun, DS

机构：

[1] Hanyang Univ, Dept Elect Engn, Seoul 133791, South Korea

[2] Korea Inst Sci & Technol, Seongbuk Gu, Seoul 13679, South Korea

[3] Texas A&M Univ, Dept Elect Engn, College Stn, TX 77843 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2000年 / 36卷 / 02期

关键词：

saturable inductor; zero-current switching; zero-voltage switching; zero-voltage transition;

D O I：

10.1109/28.833774

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a novel full-bridge (FB) zero-voltage-transition (ZVT) pulsewidth modulation (PWM) dc/dc converter topology is proposed. The proposed FB-ZVT PWM dc/dc converter has zero-voltage switching (ZVS) of main switches for the entire line and load range and an advantage of achieving ZVS and zero-current switching of the auxiliary switches using the auxiliary network. The auxiliary network is simply composed of a saturable inductor, auxiliary capacitors, and auxiliary diodes, With the help of the proposed auxiliary network, the improved FB-ZVT PWM dc/dc converter has such characteristics as higher overall system efficiency and better utilization of the auxiliary switches compared with the conventional FB-ZVT PWM dc/dc converter, The operation principles are explained in detail and the several interesting simulation and experimental results verify the validity of the proposed circuit with an 83-kHz 1-kW prototype converter using insulated gate bipolar transistors.

引用

页码：558 / 566

页数：9

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