Enhanced Particle Swarm Optimization-Based Feeder Reconfiguration Considering Uncertain Large Photovoltaic Powers and Demands

Table 4

Optimal results before feeder reconfiguration.

Scenario	1	2	3	4	5	6	7	8
Voltage magnitude (p.u.)
V1	1.041	1.043	1.039	1.045	1.026	1.047	0.974	1.019
V13	1.021	1.034	1.015	1.021	1.006	1.020	0.950	0.991
V26	1.050	1.050	1.050	1.050	1.050	1.050	0.984	1.050
V44	1.015	1.010	1.008	1.012	1.006	1.009	1.024	1.014
V61	1.049	1.000	0.980	0.974	1.050	1.035	1.009	1.014
V70	1.050	1.050	1.050	1.050	1.047	1.050	1.050	1.050
Reactive power (kVAr)
Q13	109.684	185.963	81.792	82.203	111.297	54.847	0.002	56.510
Q26	207.808	209.497	206.809	206.289	209.705	204.487	−361.796	207.732
Q44	130.072	56.783	33.835	87.807	49.377	55.037	502.178	105.918
Q61	941.614	545.250	392.784	345.034	819.679	832.136	954.342	657.163
Real power at swing bus (kW)
P1	361.171	304.607	375.732	473.122	91.277	557.162	−95.092	50.501
P70	1953.526	2640.701	2912.282	2902.069	1877.819	2241.501	2800.633	2410.641
Total load (kW)	4286.679	4276.304	4285.446	4281.481	4280.026	4281.264	4278.722	4279.626
Loss (kW)	117.429	148.208	182.827	184.226	135.961	129.235	193.034	153.292
Aggregating loss = 157.874 kW