Power systems state estimation accuracy enhancement through the use of PMU measurements

被引：15
|
作者：
Rice, Mark. J. [1 ]
Heydt, Gerald T. [1 ]
机构：
[1] Arizona State Univ, Tempe, AZ 85287 USA
来源：
2005/2006 IEEE/PES TRANSMISSION & DISTRIBUTION CONFERENCE & EXPOSITION, VOLS 1-3 | 2006年
关键词：
state estimation; PMU; power system engineering; power system instrumentation; phase angle measurement;
D O I：
10.1109/TDC.2006.1668476
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In electrical power engineering, the accuracy of the state estimation of phasor angles can be improved by the use of phasor measurement units (PMUs). Traditionally, voltage phase angles are determined by state estimation. The paper addresses two possible methods for examining the impact of PMU measurements in state estimation. The PMU measurements use Global Positioning System (GPS) technology to measure phase, and the measurement is very accurate. An index of accuracy is proposed and used to quantify the impact of PMUs on power system state estimation. An illustrative example is given.
引用
收藏
页码：161 / +
页数：2
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