Early Prediction of Transient Voltage Sags caused by Rotor Swings

被引：0
|
作者：
Weckesser, Tilman [1 ]
Johannsson, Hjortur [1 ]
Van Cutsem, Thierry
机构：
[1] Tech Univ Denmark, DK-2800 Lyngby, Denmark
来源：
2014 IEEE PES GENERAL MEETING - CONFERENCE & EXPOSITION | 2014年
关键词：
power system stability; rotor swings; transient stability; voltage sag prediction;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
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.
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页数：5
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