Utilizing the Reactive Current Control Capability of an MMC-Fed AC/DC Converter for Volt-Second Balancing in Medium Frequency Transformers

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Abstract

The non-ideal behavior of power switches and/or circuit asymmetries in transformer-isolated converters can result in nonzero average voltage across the transformer terminals, which, in turn, can saturate the transformer. In this paper, a volt-second balancing scheme is developed for a Modular-Multilevel Converter (MMC)-fed AC/DC converter to avoid transformer saturation.
Original languageEnglish
Title of host publication2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe)
PublisherInstitute of Electrical and Electronics Engineers
Number of pages7
ISBN (Electronic)978-9-0758-1539-9
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

  • AC-DC
  • Charging infrastructure for EVs
  • Grid-connected converter
  • Modular Multilevel Converters (MMC)
  • Transformer

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