SISO Transfer Functions for Stability Analysis of Grid-Connected Voltage-Source Converters

Hongyang Zhang, Lennart Harnefors, Xiongfei Wang, Jean Philippe Hasler, Hans Peter Nee

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Abstract

Converter-grid interaction is of great interest in a weak-grid condition. In this paper, an alternative multi-input multi-output closed-loop system is developed for the stability analysis of grid-connected voltage-source converters. In contrast to the conventional dq-impedance model and the eigenvalue analysis, this model eventually yields a single-input single-output transfer function. This enables to apply a single Nyquist curve for analyzing the overall system stability. The model is validated against time-domain simulations and it shows excellent accuracy for predicting the system stability.
OriginalsprogEngelsk
TitelProceedings of the 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018
Antal sider8
ForlagIEEE Press
Publikationsdatomaj 2018
Sider3684-3691
Artikelnummer8507452
ISBN (Trykt)978-1-5386-4190-3
ISBN (Elektronisk)978-4-88686-405-5
DOI
StatusUdgivet - maj 2018
Begivenhed8th International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018 - Niigata, Japan
Varighed: 20 maj 201824 maj 2018

Konference

Konference8th International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018
Land/OmrådeJapan
ByNiigata
Periode20/05/201824/05/2018
SponsorIEEE Industry Applications Society (IAS), IEEE Power Electronics Society (PELS), IEEJ Industry Applications Society (IAS)

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