Experimental verification of a multi-level inverter with H-bridge clamp circuit for single-phase three-wire grid connection

Jun Ichi Itoh, Takayuki Karaki, Yuichi Noge

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

4 Citations (Scopus)

Abstract

A multilevel inverter with a H-bridge clamp circuit is proposed for single-phase three-wire (1P3W) utility connected applications such as PV systems. The proposed inverter consists of two n-level inverters and a H-bridge clamp circuit. The proposed inverter requires only 12 controllable switches to obtain a 5-level output voltage though conventional multi-level converters with grounded neutral point of the DC-bus require 16 switches. The control strategy for the proposed circuit is also discussed in this paper. Moreover, a numerical parameter design method is established and then verified by experiments. Finally, the grid connected operation is presented by experimental results.

Original languageEnglish
Title of host publicationIECON Proceedings (Industrial Electronics Conference)
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1446-1452
Number of pages7
ISBN (Electronic)9781479940325
DOIs
Publication statusPublished - Feb 24 2014
Externally publishedYes

Publication series

NameIECON Proceedings (Industrial Electronics Conference)

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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    Itoh, J. I., Karaki, T., & Noge, Y. (2014). Experimental verification of a multi-level inverter with H-bridge clamp circuit for single-phase three-wire grid connection. In IECON Proceedings (Industrial Electronics Conference) (pp. 1446-1452). [7048692] (IECON Proceedings (Industrial Electronics Conference)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IECON.2014.7048692