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A Fault-Tolerant Multilevel Inverter (FT-MLI) Topology for Electric Vehicle Applications

  • Marif Daula Siddique*
  • , Prasanth Sundararajan
  • , Sanjib Kumar Panda
  • , Mrutyunjaya Sahani
  • *Corresponding author for this work

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

Abstract

In medium and high-power applications, multilevel inverters (MLIs) are becoming popular due to their low harmonic distortion and reduced voltage stress across switches. Multilevel inverter topologies rely heavily on the reliability of semiconductor devices. In this paper, a new fault-tolerant multilevel inverter topology has been proposed which can work in a different mode of operation with different open-circuit fault (OCF) conditions with the addition of six auxiliary switches to the main circuit which comprises of seven switches and three dc voltage sources. Based on the voltage magnitude of dc voltage sources, proposed FT-MLI topology can be operated in different modes of operation which has been explained in this paper. Further, a fault analysis has been carried out for single and multi-switch OCFs. Finally, simulation results for different fault scenarios have been presented and results have been summarized.

Original languageEnglish
Title of host publicationITEC Asia-Pacific 2023 - 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350314274
DOIs
StatePublished - 2023
Event2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2023 - Chiang Mai, Thailand
Duration: 28 Nov 20231 Dec 2023

Publication series

NameITEC Asia-Pacific 2023 - 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific

Conference

Conference2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2023
Country/TerritoryThailand
CityChiang Mai
Period28/11/231/12/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • fault-tolerant topology
  • multilevel inverter
  • Power converter
  • reliability

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Aerospace Engineering
  • Automotive Engineering
  • Electrical and Electronic Engineering
  • Transportation

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