The Impact of UPFC on Power Swing Blocker

Jalal Khodaparast, M. Khederzadeh, Filipe Miguel Faria da Silva, Claus Leth Bak

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

Power Swing Blocker (PSB) is a complementary part in distance relay that detects power swing in the transmission line to prevent unintended operation of distance relay. Unified Power Flow Controller (UPFC) is used in a transmission line to control active and reactive power. The UPFC operation during power swing influences the performance of PSBs in different ways. In this paper, two methods (the center of circular impedance trajectory and the rate of change of power) for detecting power swing are analyzed in UPFC-compensated condition to show how UPFC influences the performances of these methods. The proposed indices of these methods are examined in compensated condition and it is shown that these indices may no longer work.
Original languageEnglish
Title of host publicationProceedings of 2016 51st International Universities' Power Engineering Conference (UPEC)
Number of pages5
PublisherIEEE Press
Publication dateSept 2016
ISBN (Electronic)978-1-5090-4650-8
DOIs
Publication statusPublished - Sept 2016
Event2016 51st International Universities' Power Engineering Conference (UPEC) - Coimbra, Portugal
Duration: 6 Sept 20169 Sept 2016

Conference

Conference2016 51st International Universities' Power Engineering Conference (UPEC)
Country/TerritoryPortugal
CityCoimbra
Period06/09/201609/09/2016

Keywords

  • Distance relay
  • Power Swing
  • Power Swing Blocker (PSB)
  • Unified Power Flow Controller (UPFC)

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