Investigation and Optimization of Grounding Grid Based on Lightning Response by Using ATP-EMTP and Genetic Algorithm

Table 1

Simulation data comparison before and after optimization in regular grounding grid.

	Point		Point		Point
	Max (kV)	(μs)	Max (kV)	(μs)	Max (kV)	(μs)
Before optimization	67.85	9.17 (V)	45.27	9.42 (V)	28.5	7.035 (V)
After optimization	66.5	9.085 (V)	43.5	9.34 (V)	27.35	6.967 (V)