Analytic Solutions for Minimum Conduction Loss Modulation of Dual Active Bridge Converters Including Frequency Variation

Michael Saegmueller, Christoph Hackl, Rolf Witzmann, Rene Richter

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

This paper presents analytic solutions for the calculation of an optimal modulation scheme including frequency variation for a bidirectional single phase dual active bridge (DAB) dc-dc converter used for charging high-voltage batteries of electric vehicles. The proposed modulation scheme facilitates the minimum conduction loss operation of the DAB converter. The losses can be reduced significantly, especially for light- and medium-load conditions. Analytic expressions are derived for a direct calculation of the optimal control parameters. These expressions are verified with a numerical simulation. Moreover, a significant reduction of the necessary computational time can be achieved for the analytic determination.

Original languageEnglish
Title of host publicationProceedings - IECON 2020
Subtitle of host publication46th Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE Computer Society
Pages4661-4666
Number of pages6
ISBN (Electronic)9781728154145
DOIs
StatePublished - 18 Oct 2020
Event46th Annual Conference of the IEEE Industrial Electronics Society, IECON 2020 - Virtual, Singapore, Singapore
Duration: 19 Oct 202021 Oct 2020

Publication series

NameIECON Proceedings (Industrial Electronics Conference)
Volume2020-October

Conference

Conference46th Annual Conference of the IEEE Industrial Electronics Society, IECON 2020
Country/TerritorySingapore
CityVirtual, Singapore
Period19/10/2021/10/20

Keywords

  • Dual Active Bridge
  • conduction losses
  • variable frequency

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