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

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

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

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Title:	Asymmetric complex-vector models with application to VSC–grid interaction
Author(s):	Harnefors, Lennart ; Wang, Xiongfei ; Chou, Shih-Feng ; Bongiorno, Massimo ; Hinkkanen, Marko ; Routimo, Mikko
Date:	2020-02-06
Language:	en
Pages:	11 1911-1921
Department:	ABB Corporate Research Center - Sweden Aalborg University Chalmers University of Technology Electric Drives ABB Oy Drives Department of Electrical Engineering and Automation
Series:	IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS, Volume 8, issue 2
ISSN:	2168-6777
DOI-number:	10.1109/JESTPE.2020.2972070
Keywords:	Complex space vectors, Complex transfer functions, Converter control, Passivity, Stability
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Citation: Harnefors , L , Wang , X , Chou , S-F , Bongiorno , M , Hinkkanen , M & Routimo , M 2020 , ' Asymmetric complex-vector models with application to VSC–grid interaction ' , IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS , vol. 8 , no. 2 , 8985279 , pp. 1911-1921 . https://doi.org/10.1109/JESTPE.2020.2972070
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.

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