Algorithm for the virtual vectors modulation in three-level inverters with a voltage-balance control loop

Josep Pou, Pedro Rodríguez, Vicenç Sala, Sergio Busquets-Monge, Dushan Boroyevich

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

9 Citations (Scopus)

Abstract

The modulation strategy based on virtual vectors can remove the low-frequency voltage oscillation that appears in the neutral point of the three-level inverter. However, this strategy has no natural voltage balancing. This work presents a novel space-vector modulation algorithm that includes voltage-balancing control and therefore can remove any possible imbalance. Since the algorithm takes advantage of symmetry in the space-vector diagram, it can be processed quickly in a digital-signal processor. The proposed method is verified by simulation and experiment.
Original languageEnglish
Title of host publication2005 European Conference on Power Electronics and Applications
PublisherIEEE Computer Society
Volume2005
ISBN (Print)9075815085, 9789075815085
DOIs
Publication statusPublished - 2005
Externally publishedYes
Event2005 European Conference on Power Electronics and Applications - Dresden, Germany
Duration: 11 Sept 200514 Sept 2005

Publication series

Name2005 European Conference on Power Electronics and Applications
Volume2005

Conference

Conference2005 European Conference on Power Electronics and Applications
Country/TerritoryGermany
CityDresden
Period11/09/0514/09/05

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

  • Converter control
  • Modulation strategy
  • Multilevel converters
  • Pulse width modulation (PWM)
  • Three-phase system

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