Management of Var sources for the reactive power planning problem by oppositional Harris Hawk optimizer

Journal of Electrical Systems and Information Technology

Table 4 Statistical analysis of HHO and OHHO after 30 trials

	Ward hale 6 bus system		IEEE 30 Bus system
	HHO	OHHO	HHO	OHHO
Minimum	0.0525	0.0519	0.0308	0.0308
Average	0.0539	0.0521	0.0314	0.0312
Maximum	0.0580	0.0554	0.0345	0.0342
No. of times solution was obtained	24	26	22	24
Standard deviation	0.0012	8.7549e-04	9.0736e-04	7.5492e-04
Iteration per second	0.1481	0.1475	8.1577	8.1423