Capacitor voltage balance of MMC converters in bidirectional power flow operation

Ricardo Lizana, Cristian Castillo, Marcelo A. Perez, Jose Rodriguez

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

17 Citations (Scopus)

Abstract

Modular multilevel cascaded converter offers several advantages for high voltage DC transmission systems such as high modularity and power quality. However, they also present an interesting challenge from the control point of view, due to its coupled current dynamics and the voltage balance of floating capacitors. This work presents a voltage balance scheme which does not affect the input nor the output voltages and currents, and its dynamics is independent on the power operating point. Simulations results show a good dynamic of the voltage balance under changes in the DC voltage reference and reversion on the power flow.

Original languageEnglish
Title of host publicationProceedings, IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society
Pages4935-4940
Number of pages6
DOIs
Publication statusPublished - 2012
Event38th Annual Conference on IEEE Industrial Electronics Society, IECON 2012 - Montreal, QC, Canada
Duration: 25 Oct 201228 Oct 2012

Other

Other38th Annual Conference on IEEE Industrial Electronics Society, IECON 2012
Country/TerritoryCanada
CityMontreal, QC
Period25/10/1228/10/12

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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