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A Novel Wavelet Transform and Neural Network Based Transmission Line Fault Analysis Method

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3 Author(s)
P. S. Bhowmik ; Dept. of Electr. Eng., Nat. Insitute of Technol. - Durgapur, Durgapur ; P. Purkait ; K. Bhattacharya

In the present scenario of market driven business, power supply has become more like a commodity. Reliable and quality power need to be ensured to meet customer requirements. In such a situation, it is extremely important that transmission line faults be identified accurately, reliably and in quick time. Advanced signal processing tools such as discrete wavelet transform (DWT) can be used very effectively for parameterisation and characterisation of the fault signals. On the other hand, properly configured Neural Network (NN) can be utilised for classification of the faults based on the DWT signal. The present contribution uses electromagnetic transient program (EMTP) for simulation of a model transmission system and MATLAB for DWT and NN. Various types of faults have been simulated at different locations along the transmission line and an attempt has been made to correctly identify and locate the fault.

Published in:

Developments in Power System Protection, 2008. DPSP 2008. IET 9th International Conference on

Date of Conference:

17-20 March 2008