Systematic analytical-based generalised algorithm for multilevel space vector modulation with a fixed execution time

A. Massoud, S.J. Finney, B.W. Williams

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A generalised algorithm is proposed for multilevel space vector modulation (SVM), which is applicable to any number of levels. The algorithm is based on numerical analysis and gives a fixed execution time when implemented in a digital signal processor, irrespective of the number of levels. In addition, the algorithm procedures eliminate the difficulty in determining the reference vector location, the on-time calculations and switching state selection. A visualisation of the multilevel SVM analysis is detailed, without using any representative technique. The redundant paths can be readily utilised for capacitor balancing. The proposed algorithm caters for over modulation and minimum pulse, and is validated by Matlab/Simulink simulations and practical implementation. A 6 kW three-level active power filter is implemented practically using the proposed algorithm. It is shown that the algorithm is readily codable and time efficient. © 2010 Institution of Engineering and Technology
LanguageEnglish
Pages175-193
Number of pages18
JournalIET Power Electronics
Volume1
Issue number2
DOIs
Publication statusPublished - Jun 2008

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Vector spaces
Modulation
Digital signal processors
Numerical analysis
Capacitors
Visualization

Keywords

  • systematic analytical-based generalised algorithm
  • multilevel space vector modulation
  • fixed execution time
  • digital signal processor
  • reference vector location
  • switching state selection
  • capacitor balancing
  • three-level active power filter
  • multilevel converters

Cite this

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abstract = "A generalised algorithm is proposed for multilevel space vector modulation (SVM), which is applicable to any number of levels. The algorithm is based on numerical analysis and gives a fixed execution time when implemented in a digital signal processor, irrespective of the number of levels. In addition, the algorithm procedures eliminate the difficulty in determining the reference vector location, the on-time calculations and switching state selection. A visualisation of the multilevel SVM analysis is detailed, without using any representative technique. The redundant paths can be readily utilised for capacitor balancing. The proposed algorithm caters for over modulation and minimum pulse, and is validated by Matlab/Simulink simulations and practical implementation. A 6 kW three-level active power filter is implemented practically using the proposed algorithm. It is shown that the algorithm is readily codable and time efficient. {\circledC} 2010 Institution of Engineering and Technology",
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Systematic analytical-based generalised algorithm for multilevel space vector modulation with a fixed execution time. / Massoud, A.; Finney, S.J.; Williams, B.W.

In: IET Power Electronics, Vol. 1, No. 2, 06.2008, p. 175-193.

Research output: Contribution to journalArticle

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