Study and implementation of seven-level inverter using coupled inductor and switched-capacitor

Yi Chun Lin, Jiann Fuh Chen, Wen Chien Hsu, Sheng Kai Kao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper proposes a novel single-phase seven-level inverter. The topology of the proposed structure is composed of a DC source, a switched-capacitor circuit, and a coupled inductor. Compared to conventional seven-level inverter structure, numbers of switches and capacitors are reduced. The voltages of capacitors are self-balanced by using coupled inductor without complex control method. Therefore, the output voltage total harmonic distortion can be reduced. Finally, the simulation and experimental result show the 350-V input voltage, 380-Vac output voltage, and 0.52% output total harmonic distortion under 3kW output power condition to verify the feasibility of the proposed multilevel inverter.

Original languageEnglish
Title of host publication2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
PublisherIEEE Computer Society
Pages2714-2721
Number of pages8
ISBN (Print)9781479927050
DOIs
Publication statusPublished - 2014 Jan 1
Event7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014 - Hiroshima, Japan
Duration: 2014 May 182014 May 21

Publication series

Name2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014

Other

Other7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
CountryJapan
CityHiroshima
Period14-05-1814-05-21

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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