A New Family of Non-Isolated Zero-Current Transition PWM Converters

Mohammad Rouhollah Yazdani; Mohammad Pahlavan Dust; Poorya Hemmati

A New Family of Non-Isolated Zero-Current Transition PWM Converters

Mohammad Rouhollah Yazdani

Mohammad Pahlavan Dust

Poorya Hemmati

Vol. 16, No. 5, pp. 1669-1677, Sep. 2016

10.6113/JPE.2016.16.5.1669

DC?DC converter

EMI

Soft switching

Zero current transition (ZCT)

Zero voltage transition (ZVT)

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Abstract

A new auxiliary circuit for boost, buck, buck-boost, Cuk, SEPIC, and zeta converters is introduced to provide soft switching for pulse-width modulation converters. In the aforementioned family of DC?DC converters, the main and auxiliary switches turn on under zero current transition (ZCT) and turn off with zero voltage and current transition (ZVZCT). All diodes commutate under soft switching conditions. On the basis of the proposed converter family, the boost topology is analyzed, and its operating modes are presented. The validity of the theoretical analysis is justified by the experimental results of a 100W, 100 kHz prototype. The conducted electromagnetic emissions of the proposed boost converter are measured and found to be lower than those of another ZCT boost converter.

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Cite this article

[IEEE Style]

M. R. Yazdani, M. P. Dust, P. Hemmati, "A New Family of Non-Isolated Zero-Current Transition PWM Converters," Journal of Power Electronics, vol. 16, no. 5, pp. 1669-1677, 2016. DOI: 10.6113/JPE.2016.16.5.1669.

[ACM Style]

Mohammad Rouhollah Yazdani, Mohammad Pahlavan Dust, and Poorya Hemmati. 2016. A New Family of Non-Isolated Zero-Current Transition PWM Converters. Journal of Power Electronics, 16, 5, (2016), 1669-1677. DOI: 10.6113/JPE.2016.16.5.1669.