A dynamic state estimation method for power systems

被引：0
|
作者：
Jia, Qing-quan [1 ]
Wang, Ning [1 ]
Dou, Chun-xia [1 ]
Bo, Zhi-qian [2 ]
机构：
[1] Yanshan Univ, Inst Elect Engn, Qinhuangdao 066004, Peoples R China
[2] AREVA T&D Automat Co Ltd, Stafford ST17 4LX, England
来源：
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY | 2011年 / 42卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
power system; dynamic state estimation; PMU; phasor measurement unit; SCADA system; pseudo-measurement;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
GPS based Phasor Measurement Units (PMUs) are prevailing in power systems. This paper introduces a dynamic state estimation method for power systems. As installation of PMUs at all buses is impractical, this method employs SCADA data that covers the whole system and PMU data that covers part of the system. The PMU samples are interpolated into the SCADA data to increase the measuring density. An iterative state estimation algorithm is established with the coordination of PMU and SCADA measurements. Example shows that the method can increase the estimating precision and provide more information on power system dynamics.
引用
收藏
页码：233 / 238
页数：6
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