Monsef H, Lotfifard S. Internal fault current identification based on wavelet transform in power transformers[J]. Electric Power Systems Research, 2007, 77(12): 1637-1645.
[2]
Tai N L, Chen J J. Wavelet-based approach for high impedance fault detection of high voltage transmission line[J]. European Transactions on Electrical Power, 2008, 18(1): 79-92.
Olhede S, Walden A T. A generalized demodulation approach to time-frequency projections for multicomponent signals[J]. Proceedings of the Royal Society of London, Series A, 2005, 461:2159-2179.
[5]
Walden A T, Cristan A C. The phase-corrected undecimated discrete wavelet packet transform and its application to interpreting the timing of events[J]. Proceedings of the Royal Society of London, Series A, 1998, 454:2243-2266.
[6]
Nielsen M. On the construction and frequency localization of finite orthogonal quadrature filters[J]. Journal of Approximation Theory, 2001, 108(1): 36-52.
Zhang N, Kezunovic M. Transmission line boundary protection using wavelet transform and neural network[J]. IEEE Transactions on Power Delivery, 2007, 22(2): 859-869.
[9]
Valsan S P, Swarup K S. Wavelet based transformer protection using high frequency power directional signals[J]. Electric Power Systems Research, 2008, 78(4): 547-558.
[10]
Eissa M M. A novel digital directional transformer protection technique based on wavelet packet[J]. IEEE Transactions on Power Delivery, 2005, 20(3): 1830-1836.
[11]
Eren L, Unal M, Devaney M J. Harmonic analysis via wavelet packet decomposition using special elliptic