Evaluation of enhancements to Thevenin equivalent based methods for real-time voltage stability assessment

Research output: Research - peer-reviewArticle in proceedings – Annual report year: 2014

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The possibilities offered by the use of Phasor Measurement Units (PMU) in real - time monitoring provide interesting ways to ensure secure operation of power systems. This paper studies the specific case of voltage stability and the possible improvements to the Thevenin equivalent methods, which is applied generally with local measurements. This paper uses the PMU measurements to calculate the grid transformation coefficients to obtain wide - area information. This is achieved by studying the generator's electromo tive force estimated using values in the coefficient transformation matrix. The improvements are tested in a small system and a through comparison with traditional Thevenin equivalent methods is carried out.
Original languageEnglish
Title of host publicationProceedings of 5th IEEE PES Innovative Smart Grid Technologies
Number of pages5
PublisherIEEE
Publication date2014
DOIs
StatePublished - 2014
EventIEEE PES ISGT Europe 2014 - Istanbul Technical University, Istanbul, Turkey
Duration: 12 Oct 201415 Oct 2014

Conference

ConferenceIEEE PES ISGT Europe 2014
LocationIstanbul Technical University
CountryTurkey
CityIstanbul
Period12/10/201415/10/2014
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Equivalent circuits, Phasor measur ement units, Voltage Stability, Power system stability, Real-time assessment, Long term dynamics
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