Eight-switch Five-level Current Source Inverter

Weiqi Wang, Feng Gao, Yongheng Yang, Frede Blaabjerg, Lei Zhang

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review


This paper proposes an eight-switch three-phase five-level current source inverter (CSI). The corresponding space vector modulation (SVM) strategy for the proposed CSI topology is also presented. Compared with other five-level CSI topologies, the proposed CSI inherits certain advantages of the full-bridge CSI with a shunt-connected hybrid power switch (i.e., the H7 CSI), simplifies the modulation method, and utilizes fewer power switches with an increased power density. These features make the proposed inverter cost-effective for CSI systems. Simulation and experimental results are provided, which validates the theoretical discussion and analysis.
Original languageEnglish
Title of host publicationProceedings of the IEEE Energy Conversion Congress and Exposition (ECCE 2018)
Number of pages6
Place of PublicationUSA
PublisherIEEE Press
Publication dateSep 2018
Pages1376 - 1381
ISBN (Print)978-1-4799-7313-2
ISBN (Electronic)978-1-4799-7312-5
Publication statusPublished - Sep 2018
EventIEEE Energy Conversion Congress & Exposition ECCE 2018 - Portland, United States
Duration: 23 Sep 201827 Sep 2018


ConferenceIEEE Energy Conversion Congress & Exposition ECCE 2018
CountryUnited States
Internet address


  • five-level converter
  • current source inverter (CSI)
  • multi-level converters
  • Space vector modulation (SVM)

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