An Improved Equilibrium Optimizer for Optimal Placement of Distributed Generators in Distribution Systems considering Harmonic Distortion Limits

Table 4

The comparison of the objective function values for the IEEE 33-bus system.

Method	OFI	OFII	OF	Real loss (MW)	Cost of DGUs (million $)
GA [39]	0.5028	0.4990	0.5021	0.1061	4.6999
PSO [39]	0.4993	0.4980	0.4990	0.1054	4.6903
GA-PSO [39]	0.4900	0.4980	0.4916	0.1034	4.6901
LSF-SA [40]	0.3889	0.4113	0.3933	0.0820	3.8735
BFOA [41]	0.4659	0.2784	0.4284	0.0983	2.6234
BSOA [42]	0.4221	0.2780	0.3933	0.0891	2.6182
ABC	0.3941	0.3565	0.3866	0.0832	3.3572
SSA	0.3863	0.3733	0.3837	0.0815	3.5161
EO	0.3867	0.3692	0.3832	0.0816	3.4774
IEO	0.3863	0.3690	0.3828	0.0815	3.4753