Enhancing Distribution System Performance via Distributed Generation Placement and Reconfiguration Based on Improved Symbiotic Organisms Search

Table 2

Comparisons of ISOS and other techniques in solving 69-node system.

Items	Opened switches	PDG (kW)/(node)	Power losses (kW)	Power loss reduction (%)	Minimum voltage magnitude (pu)
Original case	69-70-71-72-73	—	225	—	0.9092
ISOS	69-70-14-55-61	475/(64); 1400/(61); 406/(12)	35.3549	84.2861	0.9806
SOS	69-70-13-55-63	301/(69); 544/(27); 1435/(61)	36.3982	83.8224	0.9803
FF [17]	12-19-57-61-69	251/(60); 1232/(61); 452/(62)	40.30	82.08	0.9816
ISCA [18]	12-19-57-63-69	100/(61); 410/(62); 461/(65)	39.73	82.34	0.9798
FWA [19]	13-55-63-69-70	1127/(61); 275/(62); 415/(65)	39.25	82.55	0.9796
HSA [20]	13-17-58-61-69	1066/(61); 352/(60); 452/(62)	40.3	82.08	0.9736
GA [20]	10-15-45-55-62	—	46.5	73.38	0.9727
RGA [20]	10-14-16-55-62	—	44.23	80.32	0.9742
EOA [21]	12-18-56-63-69	522/(27); 1463/(61); 278/(66)	37.55	83.31	—
IEOA [21]	12-57-63-69-70	362/(12); 518/(26); 1400/(61)	36.3986	83.82	—