Design and Tuning of Wind Power Plant Voltage Controller with Embedded Application of Wind Turbines and STATCOMs

Lennart Petersen, Fitim Kryezi, Florin Iov

Research output: Contribution to journalJournal articleResearchpeer-review

12 Citations (Scopus)

Abstract

This study addresses a detailed design and tuning of a wind power plant voltage control with reactive power contribution of wind turbines and static synchronous compensators (STATCOMs). First, small-signal models of a single wind turbine and STATCOM are derived by using the state-space approach. A complete phasor model of the entire wind power plant is constructed, being appropriate for voltage control assessment. An exemplary wind power plant located in the United Kingdom and the corresponding grid code requirements are used as a base case. The final design and tuning process of the voltage controller results in a guidance, proposed for this particular control architecture. It provides qualitative outcomes regarding the parametrisation of each individual control loop and how to adjust the voltage controller depending on different grid stiffnesses of the wind power plant connection. The performance of the voltage controller is analysed by means of a real-time digital simulation system. The impact of discretising the controller being initially developed in continuous-time domain is shown by various study cases.
Original languageEnglish
JournalIET Renewable Power Generation
Volume11
Issue number3
Pages (from-to)216 – 225
Number of pages10
ISSN1752-1416
DOIs
Publication statusPublished - Feb 2017

Keywords

  • Wind Power
  • Voltage Control
  • Power Systems
  • State-Space Methods
  • Wind Power Plants
  • Renewable Energy

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