Fault location determination for transmission lines with different series-compensation levels using transient frequencies

被引：5

作者：

Akmaz, Duzgun ^{[1
]}

Mamis, Mehmet Salih ^{[2
]}

Arkan, Muslum ^{[2
]}

Tagluk, Mehmet Emin ^{[2
]}

机构：

[1] Munzur Univ, Fac Engn, Dept Elect & Elect Engn, Tunceli, Turkey

[2] Inonu Univ, Fac Engn, Dept Elect & Elect Engn, Malatya, Turkey

来源：

TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES | 2017年 / 25卷 / 05期

关键词：

Fault location estimation; traveling waves; series compensation; transmission lines; transients; ALGORITHM; SPECTRUM;

D O I：

10.3906/elk-1606-180

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

In this paper, based on the theory of traveling waves, the fault distances on long transmission lines with various series-compensation levels are determined using transient current and voltage frequencies. Transmission lines with series compensation are modeled using Alternative Transients Program software with frequency-dependent effects on the line included in the simulation. The transient current and voltage signals are obtained from the model. A fast Fourier transform is used for frequency-domain conversion and fault location is estimated from the frequencies of fault-generated harmonics in the transient spectrum. The algorithm is implemented in MATLAB. To investigate the effect of compensation on accuracy, the results are obtained for different series-compensation levels. The undesirable source-inductance effect is removed and estimation accuracy is further improved using a waveform-relaxation method. The method is found to be successful in determining fault location on series-compensated transmission lines. The effects of the compensation level, fault resistance, and phase angle are investigated.

引用

页码：3764 / 3775

页数：12

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