Asymmetric complex-vector models with application to VSC–grid interaction

Lennart Harnefors, Xiongfei Wang, Shih-Feng Chou, Massimo Bongiorno, Marko Hinkkanen, Mikko Routimo

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
52 Downloads (Pure)

Abstract

The properties of complex space-vector models for asymmetric three-phase systems are investigated in this article. Most importantly, three alternative methods for the stability analysis of the asymmetric closed-loop systems are presented. The end results avoid the usage of matrix manipulations. It is shown how the theory can be applied to modeling and stability analysis of a grid-connected voltage-source converter (VSC). The methods are compared using numerical examples.

Original languageEnglish
Article number8985279
Pages (from-to)1911-1921
Number of pages11
JournalIEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
Volume8
Issue number2
DOIs
Publication statusPublished - 6 Feb 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • Complex space vectors
  • Complex transfer functions
  • Converter control
  • Passivity
  • Stability

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