Phasor model of full scale converter wind turbine for small-signal stability analysis

Radu Ghiga, Qiuwei Wu*, Arne Hejde Nielsen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The small-signal stability analysis of power system electromechanical oscillations is a well-established field in control and stability assessment of power systems. The impact of large wind farms on small-signal stability of power systems has been a topic of high interest in recent years. This study presents a phasor model of full scale converter wind turbines (WTs) implemented in MATLAB/SIMULINK for small-signal stability studies. The phasor method is typically used for dynamic studies of power systems consisting of large electric machines. It can also be applied to any linear system. This represents an advantage in small-signal stability studies, which are based on modal analysis of the linearised model and are usually complemented with dynamic simulations. The proposed model can represent a single WT or an aggregated wind power plant. The implemented model for small-signal stability analysis was tested in the Kundur's two area system. The results show that the proposed WT model is accurately linearised and its impact on power system oscillation is similar to that of previous research findings.
Original languageEnglish
JournalThe Journal of Engineering
Volume2017
Issue number13
Pages (from-to)978 – 983
ISSN2051-3305
DOIs
Publication statusPublished - 2017
EventThe 6th Renewable Power Generation Conference - Optics Valley Kingdom Plaza, Wuhan, China
Duration: 19 Oct 201720 Oct 2017

Conference

ConferenceThe 6th Renewable Power Generation Conference
LocationOptics Valley Kingdom Plaza
CountryChina
CityWuhan
Period19/10/201720/10/2017

Keywords

  • Wind turbine
  • Phasor model
  • Small-signal stability analysis
  • Wind power plant

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