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Power swing damping in Iceland based on phasor measurements

  • Olof Samuelsson
  • H. Johannsdottir
  • N. Gustavsson
  • T. Hrafnsson
  • D. Karlsson
  • J. Salj
  • A. Sollie
Publiceringsår: 2002
Språk: Engelska
Sidor: 23-28
Publikation/Tidskrift/Serie: Proceedings of the 13th International Conference on Power System Protection. PSP 2002
Dokumenttyp: Konferensbidrag
Förlag: Univ. Ljubljana


Phasor measurement signals are used as only input to a wide-area power system stabilizer to increase interarea mode damping of the Icelandic system. Modal analysis and time simulations of a detailed model show that frequency difference as PSS input gives a damping improvement that is robust to drastic changes in system topology. Field data from phasor measurement units indicate high signal quality and that frequency difference is realistic as PSS input. The wide-area PSS is compared against a generic local PSS with shaft speed input. The total performance is comparable, but while the local PSS has better local mode damping, frequency difference appears to give better interarea mode observability. Continued work aims at combining these advantages in a PSS that uses both local and wide-area signals


  • Other Electrical Engineering, Electronic Engineering, Information Engineering
  • high signal quality
  • field data
  • damping improvement
  • PSS input
  • frequency difference
  • time simulations
  • modal analysis
  • Icelandic system
  • interarea mode damping
  • wide-area power system stabilizer
  • phasor measurements signals
  • power swing damping
  • Iceland based
  • shaft speed input
  • total performance
  • local mode damping
  • interarea mode observability


2002 International Conference on Power System Protection

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