Page 540 - Decision Making Applications in Modern Power Systems
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498 Decision Making Applications in Modern Power Systems
FIGURE 18.13 Performance of WPE_BDT-3 and -4 modules in presence of CT saturation and
CCVT transients: (A) Three phase instantaneous currents of circuit-I (B) Three phase instanta-
neous voltages at sending-end bus (C) Fault detection using WPE_BDT-3 module (D) Fault clas-
sification using WPE_BDT-4 module. CCVT, Capacitor coupling voltage transformer; CT,
current transformer; WPE_BDT, wavelet packet energy and bagged decision tree.
FIGURE 18.14 Performance of WPE_BDT-3 and -4 modules in case of a fault in circuit-II:
(A) Three phase instantaneous currents of circuit-I (B) Three phase instantaneous currents of
circuit-II (C) Three phase instantaneous voltages at sending-end bus (D) Fault detection using
WPE_BDT-3 module (E) Fault classification using WPE_BDT-4 module. WPE_BDT, Wavelet
packet energy and bagged decision tree.
