A novel low-voltage/high-current ZCS-PWM DC-DC converter with asymmetrical auxiliary edge-resonant lossless snubber

被引：1

作者：

Mishima, Tomokazu ^{[1
]}

Hiraki, Eiji ^{[1
]}

Tanaka, Toshihiko ^{[1
]}

Nakaoka, Mutsuo ^{[1
]}

机构：

[1] Kure Coll Technol, Dept Elect Engn & Informat Sci, Kure Shi, Hiroshima 7378506, Japan

来源：

2007 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6 | 2007年

关键词：

D O I：

10.1109/PESC.2007.4342081

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel zero current soft-switching PWM half-bridge DC-DC converter topology is proposed in this paper. The newly proposed converter consists of a PWM-controlled half-bridge inverter and a current doubler rectifier linked with a high-frequency transformer. In order to attain the wide range of soft switching operation in the high voltage/low current primary side inverter, asymmetrical lossless snubbers composed by an actively-switched capacitor and lossless inductors are employed in the half-bridge arm, providing Zero Current Switching (ZCS) that is less sensitive to the magnitude of the input current. The operation characteristics of the proposed DC-DC converter are described, and its feasibility is demonstrated with simulation and experimental results.

引用

下载

页码：748 / 753

页数：6

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