A survey on reduced switch count multilevel inverters

Hari Priya Vemuganti, Dharmavarapu Sreenivasarao*, Siva Kumar Ganjikunta, Hiralal Murlidhar Suryawanshi, Haitham Abu-Rub

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

129 Citations (Scopus)

Abstract

An efficient and cost-effective power converter is a pre-requisite for the modern power applications. With the evolvement of matured medium power self-commutated switching devices, multilevel inverters (MLIs) are emerged as a promising solution for high-power medium-voltage applications. Though, MLIs are performing a promising role in industrial applications, their high device count, size, cost and control complexities have restricted their market penetration. To address the disadvantages of MLIs, researchers are continuously contributing to new generation topologies under the name of reduced switch count (RSC) MLIs. From the past decade, numerous RSC-MLIs topologies have been reported for various applications. Therefore, this paper presents a comprehensive review and classification of RSC-MLI topologies, in terms of their structure, features, limitations, suitability and selection for specific applications.

Original languageEnglish
Article number9318011
Pages (from-to)80-111
Number of pages32
JournalIEEE Open Journal of the Industrial Electronics Society
Volume2
DOIs
Publication statusPublished - 2021
Externally publishedYes

Keywords

  • Multilevel inverters
  • Power converters
  • Reduced switch count

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