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Table 1 Fault cases in training and testing purpose

From: ANN based directional relaying scheme for protection of Korba-Bhilai transmission line of Chhattisgarh state

Parameters Training Data Testing Data
Fault sections Section-1 (S1) and Section-2 (S2) section-1 (S1) and section-2 (S2)
Fault type LG (AG, BG, CG), LLG (ABG, BCG, ACG), LL (AB, BC, CA), LLL (ABC) LG (AG, BG, CG), LLG (ABG, BCG, ACG), LL (AB, BC, CA), LLL (ABC)
Fault location: FL in (km) Section 1 (5,10 and 15 = 3 locations) and Section 2 (5,15,25,…195 = 20 locations)
Total locations = 23
Different fault location between 1-17 km for section-1 and 1-199 km for section-2.
Fault inception angle: Φi in (°) 0 0, 45, 90, 135, 180, 225, 270, 315
Fault Resistance: Rf in (Ω) 0, 10 for phase faults and 0, 100 ohms for ground faults 0,10……100 = 10 fault resistance for 6 type of LG and LLG fault + 2 fault resistance for 4 types of LL and LLL fault
  Total fault cases = 460 cases Total fault cases = 328 (section-1) + 9520 (section-2) = 9848