An alternative energy recovery clamp circuit for full-bridge PWM converters with wide ranges of input voltage

Honnyong Cha; Lihua Chen; Rongjun Ding; Qingsong Tang; Fang Zheng Peng

doi:10.1109/TPEL.2008.2003131

An alternative energy recovery clamp circuit for full-bridge PWM converters with wide ranges of input voltage

Honnyong Cha, Lihua Chen, Rongjun Ding, Qingsong Tang, Fang Zheng Peng

School of Energy Engineering

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

Abstract

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 suffer 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.

Original language	English
Pages (from-to)	2828-2837
Number of pages	10
Journal	IEEE Transactions on Power Electronics
Volume	23
Issue number	6
DOIs	https://doi.org/10.1109/TPEL.2008.2003131
State	Published - 2008

Keywords

Diode rectifier
Energy recovery
Snubber circuit
Voltage oscillation

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10.1109/TPEL.2008.2003131

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title = "An alternative energy recovery clamp circuit for full-bridge PWM converters with wide ranges of input voltage",

abstract = "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 suffer 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.",

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AU - Cha, Honnyong

AU - Chen, Lihua

AU - Ding, Rongjun

AU - Tang, Qingsong

AU - Peng, Fang Zheng

PY - 2008

Y1 - 2008

N2 - 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 suffer 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.

AB - 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 suffer 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.

KW - Diode rectifier

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KW - Snubber circuit

KW - Voltage oscillation

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An alternative energy recovery clamp circuit for full-bridge PWM converters with wide ranges of input voltage

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Keywords

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