Utilising redundant voltage levels for circulating current control in modular multilevel converters

Georgios Konstantinou, Josep Pou, Salvador Ceballos, Ricard Picas, Jordi Zaragoza, Vassilios G. Agelidis

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

4 Citations (Scopus)

Abstract

Control of the circulating current in the modular multilevel converter (MMC) is one of the major tasks for the proper operation of the converter topology. This paper develops a controller for the circulating current of the MMC that utilises the redundant voltage levels in 2N+1 modulated MMCs in order to regulate the current to its reference. The main advantages of the approach are the elimination of control loops that generate the voltages for the control of the circulating current, simple implementation and very fast dynamic performance. The application of the control is also independent of the circulating current reference. The simplicity and effectiveness of the proposed controller is illustrated through simulations and experimental results.

Original languageEnglish
Title of host publicationIECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2213-2218
Number of pages6
ISBN (Electronic)9781479917624
DOIs
Publication statusPublished - 2015
Externally publishedYes
Event41st Annual Conference of the IEEE Industrial Electronics Society, IECON 2015 - Yokohama, Japan
Duration: Nov 9 2015Nov 12 2015

Publication series

NameIECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society

Conference

Conference41st Annual Conference of the IEEE Industrial Electronics Society, IECON 2015
Country/TerritoryJapan
CityYokohama
Period11/9/1511/12/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

ASJC Scopus Subject Areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering

Keywords

  • Circulating current
  • Current control
  • modular multilevel converter
  • multilevel converters

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