A Component-Reduced Zero-Voltage Switching Three-Level DC-DC Converter

Zian Qin, Ying Pang, Huai Wang, Frede Blaabjerg

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

The basic Zero-Voltage Switching (ZVS) three-level DC-DC converter has one clamping capacitor to realize the ZVS of the switches, and two clamping diodes to clamp the voltage of the clamping capacitor. In order to reduce the reverse recovery loss of the diode as well as its cost, this paper proposes to remove one of the clamping diodes in basic ZVS three-level DC-DC converter. With less components, the proposed converter can still have a stable clamping capacitor voltage, which is clamped at half of the dc link voltage. Moreover, the ZVS performance will be influenced by removing the clamping diode. But as long as the clamping capacitor is properly selected, the degradation of the ZVS performance can be neglected. The impact of the clamping capacitor on the ZVS performance is mathematically analyzed as well.
Original languageEnglish
Title of host publicationProceedings of IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society
Number of pages6
PublisherIEEE Press
Publication dateOct 2016
Pages2439 - 2444
ISBN (Electronic)978-1-5090-3474-1
DOIs
Publication statusPublished - Oct 2016
Event42nd Conference of the Industrial Electronics Society, IECON 2016: 42nd Annual Conference of the IEEE Industrial Electronics Society - Palazzo dei Congressi, Florence, Italy
Duration: 24 Oct 201627 Oct 2016
http://www.iecon2016.org/?jjj=1471434927195
http://www.iecon2016.org/

Conference

Conference42nd Conference of the Industrial Electronics Society, IECON 2016
LocationPalazzo dei Congressi
CountryItaly
CityFlorence
Period24/10/201627/10/2016
SponsorIEEE Industrial Electronics Society (IES), Institute of Electrical and Electronics Engineers (IEEE)
Internet address

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