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A Switched-Diode Topology for Cascaded Multilevel Converters with Reduced Number of Switches

  • Maryam Sarebanzadeh
  • , Mohammad Ali Hosseinzadeh
  • , Cristian Garcia
  • , Ebrahim Babaei
  • , Jose Rodriguez
  • , Ralph Kennel
  • Technical University of Munich
  • Universidad de Talca
  • University of Tabriz
  • Universidad San Sebastian

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

Abstract

In medium-voltage applications, the main issue with multilevel converters is that they require a large number of semiconductor switches when higher voltage levels are required. The main objective of this paper is to propose a multilevel converter topology that requires fewer semiconductor switches and lower voltage stress than other multilevel converters. To address the limitations of existing multilevel converters, the designed topology uses switched diode instant power switches. With twelve power switches, the proposed topology generates a 63-level in an asymmetric configuration. Based on a comparison with other reported cascaded structures, the new cascade topology produces a large number of levels with reduced power switches. Using the MATLAB/Simulink environment, the proposed 63-level converter is tested with resistance and resistance-inductive loads.

Original languageEnglish
Title of host publication2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665466189
DOIs
StatePublished - 2022
Event13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022 - Kiel, Germany
Duration: 26 Jun 202229 Jun 2022

Publication series

Name2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022

Conference

Conference13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022
Country/TerritoryGermany
CityKiel
Period26/06/2229/06/22

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • DC-AC power converters
  • Multilevel converters
  • power semiconductor devices

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