Square wave operation to reduce pulsating power in isolated MMC-based ultrafast chargers

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Abstract

This paper presents an application of modular multilevel converters to reduce pulsating power, and therefore sub-modules in ultrafast chargers. The converter’s analysis and a control scheme were presented to realize bidirectional power transfer between a three-phase medium-voltage grid and a single-phase medium-frequency transformer with square-shaped voltage, successfully reducing power fluctuation.
Original languageEnglish
Title of host publication24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe
PublisherInstitute of Electrical and Electronics Engineers
Number of pages7
ISBN (Electronic)978-9-0758-1539-9
ISBN (Print)978-1-6654-8700-9
Publication statusPublished - 17 Oct 2022
Event24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe - Hannover, Germany
Duration: 5 Sept 20229 Sept 2022
Conference number: 24

Conference

Conference24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe
Abbreviated titleEPE'22 ECCE Europe
Country/TerritoryGermany
CityHannover
Period5/09/229/09/22

Keywords

  • Charger
  • Full-bridge sub-modules
  • Medium-frequency transformer
  • Medium-voltage grid
  • Modular multilevel converter (MMC)
  • Square wave
  • Modular multilevel converter

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