A DISCRETE WAVELET TRANSFORM APPROACH TO FAULT LOCATION ON A 138KV TWO TERMINAL TRANSMISSION LINE USING CURRENT SIGNALS OF BOTH ENDS

ICTACT Journal on Microelectronics ( Volume: 4 , Issue: 3 )

Abstract

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This paper presents discrete wavelet transform based fault locator for a three phase two terminal transmission line using fault current data of both terminals of transmission line. The magnitudes of approximate and detail coefficients of a three phase current achieved using discrete wavelet transform toolbox of MATLAB are used for the evaluation of fault location. The proposed technique has been checked for various types of faults with variation in location of fault. The test results of the proposed work demonstrate that the proposed technique is not affected by variation in fault type and fault location.

Authors

Gaurav Kapoor
Modi Institute of Technology, India

Keywords

Discrete Wavelet Transform, Fault Location and Two Terminal Transmission Line Protection

Published By
ICTACT
Published In
ICTACT Journal on Microelectronics
( Volume: 4 , Issue: 3 )
Date of Publication
October 2018
Pages
625-629

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