Fuzzy measurements of power system symmetrical components

被引：1

作者：

Al-Kandari, AM ^{[1
]}

Soliman, SA ^{[1
]}

El-Hawary, ME ^{[1
]}

机构：

[1] Coll Technol Studies, Dept Elect Engn, Kuwait, Kuwait

来源：

2004 LARGE ENGINEERING SYSTEMS CONFERENCE ON POWER ENGINEERING, CONFERENCE PROCEEDINGS: ENERGY FOR THE DAY AFTER TOMORROW | 2004年

关键词：

D O I：

10.1109/LESCPE.2004.1356297

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 symmetrical components are an effective tool for the analysis of the unsymmetrical fault in the power systems. Also, it can be used as an indication to abnormal normal operation of power systems. This paper presents the application of fuzzy system to measure the symmetrical components of a power system for control and protection. The samples for the symmetrical components are obtained using the symmetrical transformation matrix in the time domain. Then the problem of the symmetrical component parameters is formulated as a linear fuzzy regression problem to estimate the fuzzy parameters of each component from the available samples. Two models are discussed in this paper, while in the first model, we assume that the data samples are non-fuzzy, and the model coefficients are fuzzy. In the second model, we assume the data samples are fuzzy and the model parameters are fuzzy as well. The simplex-based linear programming method is used to solve the resulting problems. Simulated and actual recorded data are presented in the paper.

引用

页码：186 / 190

页数：5

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