Control of voltage source inverter using multidimensional feedback quantization modulator

Jwu-Sheng Hu*, Keng Yuan Chen, Te Yang Shen, Chi Him Tang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


This paper describes a novel switching signal generator for three-phase voltage source inverters. Unlike conventional space-vector pulsewidth modulation (SVPWM) which achieves three-phase input voltage by a combination of the basic space vectors, the proposed scheme produces optimal switching commands to minimize the filtered measure of quantization error. Under specific selections of the filter matrix and the quantization scheme, it is shown that the proposed modulator is equivalent to SVPWM. An experimental platform is built to verify the effectiveness of the proposed scheme. It is shown that the switching number of the proposed method is reduced without sacrificing the harmonic distortion within the input frequency band under various reference signals.

Original languageEnglish
Article number5560804
Pages (from-to)3027-3036
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Issue number7
StatePublished - 1 Jul 2011


  • Feedback quantization
  • optimal control
  • three-phase voltage source inverter (VSI)

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