Table 2. ANN l test results.

Fault type and direction	Actual output	Ideal output
Phase a grounding at 40% of adjacent lines(Rg = 0Ω)	0.9975	l
Phase B grounding at 40% of adjacent lines(Rg = 30Ω)	0.9847	l
Phase C grounding at 40% of adjacent lines(Rg = 20Ω)	0.9903	1
Two phase short circuit fault at 40% of adjacent lines	0.9914	1
Three phase short circuit fault at 40% of adjacent lines	0.9905	1
Phase a grounding in opposite direction(Rg = 0Ω)	0.0058	0
Phase B grounding in opposite direction(Rg = 30Ω)	0.0249	0
Phase C grounding in opposite direction(Rg = 20Ω)	0.0163	0
Reverse two phase short circuit fault	0.0091	0
Reverse three-phase short circuit fault	0.0087	0