Early Prediction of Transient Voltage Sags caused by Rotor Swings

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2014Researchpeer-review


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The paper investigates various methods to predict voltage sags at load buses caused by large generator rotor swings and following a transient disturbance. Three different prediction methods are proposed, which all use real-time measurements from PMUs. One of the methods uses a slightly extended version of the E-SIME method. The other two methods use Measurements and process them by recursive least square estimation. It is shown that the prediction method employing E-SIME allows the earliest detection of a critical voltage sag with satisfactory accuracy.
Original languageEnglish
Title of host publicationProceedings of the 2014 IEEE PES General Meeting
Number of pages5
Publication date2014
Publication statusPublished - 2014
Event2014 IEEE PES General Meeting - National Harbor, Washington, DC Metro Area, United States
Duration: 27 Jul 201431 Jul 2014


Conference2014 IEEE PES General Meeting
LocationNational Harbor
CountryUnited States
CityWashington, DC Metro Area

    Research areas

  • Power system stability, Rotor swings, Transient stability, Voltage sag prediction

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ID: 87806288