Optimal Setting Method of Inverse Time Overcurrent Protection for the Distribution Networks Based on the Improved Grey Wolf Optimization

Table 7

Results of heuristic parameter adjustment when a two-phase short circuit occurs.

Population size	Maximum number of iterations	Minimum total action time (s)	Average total action time (s)	Standard deviation of the total action time
10	1000	23.118	26.682	7.091
20	1000	23.561	25.780	4.219
30	1000	22.977	23.561	0.762
40	1000	23.201	24.975	3.803
50	1000	23.379	24.683	3.625