Review on Single-DC-Source Multilevel Inverters: Topologies, Challenges, Industrial Applications, and Recommendations

Mohamed Trabelsi*, Hani Vahedi, Haitham Abu-Rub

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

81 Citations (Scopus)

Abstract

Having a reduced number of switches and isolated DC sources yet generating a higher number of voltage levels has been always the challenge when selecting the appropriate Multilevel Inverter (MLI) topology. Nowadays, Single-DC-Source Multilevel Inverter (SDCS-MLI) topologies are being considered as more suitable for many power system applications such as Renewable Energy (RE) conversion systems and electrified transportations compared to the Multiple-DC-Source MLIs (MDCS-MLIs). Moreover, increasing the power rating and minimizing the switching frequency while maintaining reasonable power quality using a SDCS-MLI is an important requirement and a persistent challenge for the industry. Thus, this paper presents a general review on the available SDCS-MLI topologies and future trends. Existing solutions are discussed and analyzed based on their topologies, number of output voltage levels, number of active/passive components, advantages/limitations, maturity, and industrial applications. Furthermore, recommendations for future research and development are suggested in this paper.

Original languageEnglish
Article number9336226
Pages (from-to)112-127
Number of pages16
JournalIEEE Open Journal of the Industrial Electronics Society
Volume2
DOIs
Publication statusPublished - 2021
Externally publishedYes

Keywords

  • 5-level
  • industrial applications
  • MLI
  • multilevel inverters
  • reduced components count
  • SDCS-MLI
  • Single DC-source

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