Online Tracking of Thévenin Equivalent Parameters Using PMU Measurements

Sobhy Abdelkader, D John Morrow

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

This paper presents a new method for tracking Thévenin equivalent parameters for a power system at a node using local Phasor Measurement Unit (PMU) measurements. Three consecutive phasor measurements for voltage and current, recorded at one location, are used. The phase drifts caused by the measurement slip frequency are first determined and phase angles of the measured phasors are corrected so that the corrected phasors are synchronized to the same reference. The synchronized phasors are then used to determine the equivalent Thévenin parameters of the system.
Original languageEnglish
Article number6132444
Pages (from-to)975-983
Number of pages9
JournalIEEE Transactions on Power Systems
Volume27
Issue number2
DOIs
Publication statusPublished - May 2012

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology

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