Table 2 Summary results.
Optimization technique | Powering from the grid only | Powering from the on-grid PV system | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Unscheduled case | Scheduled case | Unscheduled case | Scheduled case | |||||||
BPSO | SOH-PSO | JAYA | CL-JAYA | BPSO | SOH-PSO | JAYA | CL-JAYA | |||
Daily energy consumption from the grid (Kw) | 234.48 | 234.48 | 234.48 | 234.48 | 234.48 | 134.46 | 132.9 | 135.5 | 143.7 | 142.15 |
Total cost (cent) | 2867 | 2351 | 2349 | 2310 | 2296 | 1483 | 1304 | 1257 | 1392 | 1297 |
Convergence characteristics (best fitness value) | – | 1296.3 | 1249 | 1270 | 1243.1 | – | 706 | 679.2 | 699.5 | 692.5 |
Convergence characteristics (no. of iterations) | – | 3 | 35 | 60 | 53 | – | 40 | 48 | 75 | 79 |
Computational efficiency (average time in s) | – | 6.74 | 5.84 | 6.17 | 7.82 | – | 5.94 | 7.38 | 5.36 | 6.32 |
Saving %** | 0 | 17.9 | 18 | 19.4 | 20 | 48.2 | 54.5 | 56.1 | 51.4 | 54.7 |