SVD Applied to Voltage Sag State Estimation

被引：22

作者：

Hernandez, Araceli ^{[1
]}

Espinosa-Juarez, Elisa ^{[2
]}

Maria de Castro, Rosa ^{[1
]}

Izzeddine, Mohamed ^{[1
]}

机构：

[1] Univ Politecn Madrid, Escuela Tecn Super Ingenieros Ind, Dept Elect Engn, E-28006 Madrid, Spain

[2] Univ Michoacana, Fac Elect Engn, Morelia 58060, Michoacan, Mexico

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2013年 / 28卷 / 02期

关键词：

Power quality (PQ); PQ monitoring; power system; voltage sags (dips); STOCHASTIC PREDICTION; SYSTEM;

D O I：

10.1109/TPWRD.2012.2218627

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：

The method presented in this paper addresses the problem of voltage sag state estimation. The problem consists in estimating the voltage sags frequency at nonmonitored buses from the number of sags measured at monitored sites. Usually, due to limitations on the number of available voltage sag monitors, this is an underdetermined problem. In this approach, the mathematical formulation presented is based on the fault positions concept and is solved by means of the singular value decomposition technique. The proposed estimation method has been validated by using the IEEE 118 test system and the results obtained have been very satisfactory.

引用

页码：866 / 874

页数：9

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