A Single-Phase Double T-Type Seven-Level Inverter

Jianfei Chen, Dong Liu, Kewei Ding, Caisheng Wang, Zhe Chen

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

2 Citations (Scopus)

Abstract

A single-phase double T-Type seven-level inverter is proposed in this paper. It consists of a single DC source, three series-connected capacitors, a double T-type network, and a half bridge circuit. The double T-type network helps synthesize three output voltage levels, and then with the half-bridge circuit seven output voltage levels including a zero voltage level are achieved. Compared with the existing single-phase seven-level inverters, both the number of power components and component stresses are reduced. A carrier-based modulation scheme is discussed and a voltage self-balancing circuit is presented to solve the dc-link voltage imbalance issue. Both simulation and experimental results are presented to verify the proposed single-phase double T-type seven-level inverter.
Original languageEnglish
Title of host publicationProceedings of the 10th Energy Conversion Congress and Exposition (ECCE 2018)
Number of pages6
PublisherIEEE Press
Publication dateSep 2018
Pages6344-6349
ISBN (Print)978-1-4799-7313-2
ISBN (Electronic)978-1-4799-7312-5
DOIs
Publication statusPublished - Sep 2018
Event 2018 IEEE Energy Conversion Congress and Exposition: ECCE - Portland, United States
Duration: 23 Sep 201827 Sep 2018

Conference

Conference 2018 IEEE Energy Conversion Congress and Exposition
CountryUnited States
CityPortland
Period23/09/201827/09/2018
SeriesIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

Keywords

  • Single-Phase Inverter
  • Double T-Type
  • Seven-Level
  • Self-Balancing

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