An Alternative Energy Recovery Clamp Circuit for Full-Bridge PWM Converters With Wide Ranges of Input Voltage

被引：45

作者：

Cha, Honnyong ^{[1
]}

Chen, Lihua ^{[1
]}

Ding, Rongjun ^{[2
]}

Tang, Qingsong ^{[2
]}

Peng, Fang Zheng ^{[1
]}

机构：

[1] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA

[2] Zhuzhou Elect Locomot Res Inst ZELRI, Zhuzhou 412001, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2008年 / 23卷 / 06期

关键词：

Diode rectifier; energy recovery; snubber circuit; voltage oscillation;

D O I：

10.1109/TPEL.2008.2003131

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 full-bridge dc-dc converter employing a diode rectifier in the output experiences a severe voltage overshoot and oscillation problem across the diode rectifier caused by interaction between junction capacitance of the rectifier diode and leakage inductance of the transformer. The pronounced reverse-recovery current of high-power diodes significantly contributes to these issues by increasing power loss and voltage overshoot. Conventional energy recovery clamping circuits stiffer from high voltage overshoot if the converter input voltage is wide. In this paper, a novel energy recovery clamp circuit is proposed to overcome this problem. The proposed circuit requires neither active switches nor lossy components. Therefore, the proposed circuit is very promising in high-voltage and high-power applications. Performance of the proposed circuit is verified both theoretically and experimentally with a 70-kW dc-dc converter.

引用

页码：2828 / 2837

页数：10

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