STATE ESTIMATION FOR REAL-TIME MONITORING OF DISTRIBUTION-SYSTEMS

被引:284
|
作者
BARAN, ME
KELLEY, AW
机构
[1] Department of Electrical and Computer Engineering, North Carolina State University, Raleigh
关键词
DISTRIBUTION SYSTEMS; STATE ESTIMATION; REAL-TIME MONITORING;
D O I
10.1109/59.336098
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
Utilities currently use historical customer load data to forecast the loads in their distribution feeders for real-time feeder analysis and control. In this paper a three-phase state estimation method is developed to increase the accuracy of this load data. The method is based on the weighted least square approach and uses a three-phase node voltage formulation. The method can handle power, voltage, and current measurements. Test results indicate that state estimation can improve the forecasted load data by using real-time measurements. The effectiveness of branch current measurements were also tested.
引用
收藏
页码:1601 / 1609
页数:9
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