Classification of Lightning and Faults in Transmission Line Systems Using Discrete Wavelet Transform

Figure 5

Case of phase-A-to-ground fault at 30% of transmission line (inception angle 0°). (a) All phases at sending substation (RYG). (b) All phases at receiving substation (CTI). (c) Positive sequence at sending substation (RYG). (d) Positive sequence at receiving substation (CTI).

(a)

(b)

(c)

(d)