Triple-Phase-Shift Control Strategy for Full-Bridge Three-Level (FBTL) DC/DC Converter

Dong Liu, Yanbo Wang, Fujin Deng, Zhe Chen

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

2 Citations (Scopus)
380 Downloads (Pure)

Abstract

This paper proposes a triple-phase-shift (TPS) control strategy for the full-bridge three-level (FBTL) DC/DC converter to reduce the voltage stress and harmonics on the transformer. The proposed control strategy is composed of three phase-shift delays to keep the maximum voltage changes (ΔV) on the transformer's primary side at only half of the input voltage (Vin/2) , which is different from the conventional control strategies causing the higher voltage changes with value of Vin . Therefore, the proposed control strategy can effectively reduce the voltage change rate (dv/dt) and voltage harmonics on the transformer due to the benefits of multi-level voltage produced by the three phase-shift delays. Additionally, the proposed TPS control strategy has two working modes, which can thus have wide voltage gain. Finally, the experimental results are presented to verify the proposed control strategy.
Original languageEnglish
Title of host publicationProceedings of the 10th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2018)
Number of pages7
PublisherIEEE Press
Publication dateSept 2018
Pages175-181
ISBN (Print)978-1-4799-7313-2
ISBN (Electronic)978-1-4799-7312-5
DOIs
Publication statusPublished - Sept 2018
Event 2018 IEEE Energy Conversion Congress and Exposition: ECCE - Portland, United States
Duration: 23 Sept 201827 Sept 2018

Conference

Conference 2018 IEEE Energy Conversion Congress and Exposition
Country/TerritoryUnited States
CityPortland
Period23/09/201827/09/2018
SeriesIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

Keywords

  • full-bridge (FB)
  • phase-shift control
  • three-level (TL) DC/DC converter
  • wide voltage gain

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