Residue-based evaluation of the use of wind power plants with full converter wind turbines for power oscillation damping control

Josep Morato, Thyge Knüppel, Jacob Østergaard

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

As wind power plants (WPPs) gradually replace the power production of the conventional generators, many aspects of the power system may be affected, in which the small signal stability is included. Additional control may be needed for wind turbine generators (WTGs) to participate in the power oscillation damping. The feasibility of implementing this control needs to be assessed. This paper studies how the damping contribution of a WPP is affected by different operating conditions and its dependence to selected feedback signals. The WPP model used includes individual WTGs to study how internal changes may affect this contribution. The study is based on the changes suffered by the residues of the electromechanical modes, which indicate the sensitivity of the modes to this particular feedback. The results show that a park level control for the entire WPP is possible, although it may not provide damping for a range of critical operating conditions.
Original languageEnglish
JournalIEEE Transactions on Sustainable Energy
Volume5
Issue number1
Pages (from-to)82-89
ISSN1949-3029
DOIs
Publication statusPublished - 2013

Keywords

  • Eigenvalue analysis
  • Power system oscillation damping controller
  • Residues
  • Small-signal stability
  • Wind power
  • Wind turbines
  • Power system oscillations
  • Damping controller

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