A simple DC bias elimination technique for Dual-Active-Bridge DC/DC converters

Duy Dinh Nguyen, Kazuto Yukita, Goro Fujita, Minh Cao Ta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

A new and simple DC bias elimination technique for a Dual-Active-Bridge DC/DC converter is proposed in this paper. The principle is to make the positive and negative volt-seconds of the magnetizing inductance balance when the phase shift changes. This can be done with minimum disruption on the overall control system by some minor modifications on the setting of the PWM modules of the digital signal processor. Thanks to the technique, the DC bias is completely eliminated. Besides, the system dynamics is much improved.

Original languageEnglish
Title of host publicationICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788957083130
Publication statusPublished - 2019 May
Externally publishedYes
Event10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia - Busan, Korea, Republic of
Duration: 2019 May 272019 May 30

Publication series

NameICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia

Conference

Conference10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia
Country/TerritoryKorea, Republic of
CityBusan
Period19/5/2719/5/30

Keywords

  • DC bias
  • Dual-active-bridge converter
  • Single phase shift
  • TMS320F28335
  • Unbalance flux

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Control and Optimization

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