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Identification of the dynamic equivalent of a power system

  • University of Strathclyde

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Citations (Scopus)

Abstract

This paper presents the identification of the dynamic equivalent of a power system from on-line measurements by using knowledge of coherent generators to determine the model structure. The knowledge of coherent generators is a crucial part of power system model reduction that could indicate how many equivalent generators should there be and how they are interconnected. By using the interpretation of coherency from the graph model of a power system, the coherent generators can be identified without the necessity of dynamic parameters. Test results of a small five bus system are presented and the feasibility of the proposed method is demonstrated. It is shown that the obtained dynamic equivalent is more reliable when the model structure is used.

Original languageEnglish
Title of host publicationProceedings of the 44th International Universities Power Engineering Conference, UPEC2009
Publication statusPublished - 2009
Externally publishedYes
Event44th International Universities Power Engineering Conference, UPEC2009 - Glasgow, United Kingdom
Duration: 1 Sept 20094 Sept 2009

Publication series

NameProceedings of the Universities Power Engineering Conference

Conference

Conference44th International Universities Power Engineering Conference, UPEC2009
Country/TerritoryUnited Kingdom
CityGlasgow
Period1/09/094/09/09

Keywords

  • Coherent generator
  • Dynamic equivalent
  • External equivalent
  • Graph model
  • Identification

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