Haar Wavelet-Based Method for Fast Fault Classification in Transmission Lines

  title={Haar Wavelet-Based Method for Fast Fault Classification in Transmission Lines},
  author={K. M. Silva and K. J. Dantas and B. A. Souza and N. S. D. Brito and F. B. Costa and J. A. C. B. Silva},
  journal={2006 IEEE/PES Transmission & Distribution Conference and Exposition: Latin America},
The application of Haar wavelet transform for fault classification in transmission lines is proposed. The faulted phases identification is carried out by the analysis of the energy of the detail coefficients of the phase currents. In addition, by the analysis of the smooth coefficients of the neutral current, the ground faults can be distinguished from phase to phase ones. The algorithm was evaluated with EMTP-simulated faults. The obtained results reveal that the proposed method can accurately… CONTINUE READING
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