Optimum state voltage balancing method for stacked multicell converters

Amer M.Y.M. Ghias, Josep Pou, Vassilios G. Agelidis, Mihai Ciobotaru

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

4 Citations (Scopus)

Abstract

This paper presents a voltage balancing method for stacked multicell converters based on phase disposition pulse-width modulation. This method is based on minimizing a cost function to determine the optimum redundant state for capacitor voltage balance for each particular voltage level. The robustness of the proposed voltage balancing method is verified against static and dynamic unbalanced load conditions. Furthermore, a significant reduction in the switching frequencies of the power devices is achieved by using sawtooth carriers instead of standard triangular carriers without affecting the voltage balancing capability.

Original languageEnglish
Title of host publicationProceedings, IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society
Pages6293-6298
Number of pages6
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013 - Vienna, Austria
Duration: Nov 10 2013Nov 14 2013

Publication series

NameIECON Proceedings (Industrial Electronics Conference)

Conference

Conference39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013
Country/TerritoryAustria
CityVienna
Period11/10/1311/14/13

ASJC Scopus Subject Areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Keywords

  • Capacitor voltage balancing
  • Multilevel converter
  • Pulse-width modulation
  • Stacked multicell converter

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