Research Article
Hybridized Symbiotic Organism Search Algorithm for the Optimal Operation of Directional Overcurrent Relays
Table 1
Optimal values of design variables, objective values, and function evaluations obtained by SASOS, DE, and modified DE: IEEE 3-bus system.
| ā | | | | | | | | | | | | | | NFE |
| DE | 0.05 | 0.2194 | 0.05 | 0.2135 | 0.19498 | 0.1953 | 1.25 | 1.25 | 1.2500 | 1.4605 | 1.25 | 1.25 | 4.8422 | 78360 | MDE-1 | 0.05 | 0.2178 | 0.05 | 0.2090 | 0.1812 | 0.1807 | 1.25 | 1.25 | 1.25 | 1.4999 | 1.5 | 1.4999 | 4.80707 | 72350 | MDE-2 | 0.05 | 0.1979 | 0.05 | 0.2094 | 0.1847 | 0.1827 | 1.25 | 1.4999 | 1.25 | 1.4999 | 1.4318 | 1.4619 | 4.7873 | 73350 | MDE-3 | 0.05 | 0.1988 | 0.05 | 0.2090 | 0.1812 | 0.1807 | 1.25 | 1.4849 | 1.25 | 1.4999 | 1.4998 | 1.4999 | 4.7822 | 97550 | MDE-4 | 0.05 | 0.1976 | 0.05 | 0.2090 | 0.1812 | 0.1806 | 1.25 | 1.4999 | 1.25 | 1.4999 | 1.4999 | 1.4999 | 4.7806 | 69270 | MDE-5 | 0.05 | 0.1976 | 0.05 | 0.2090 | 0.1812 | 0.1806 | 1.25 | 1.5 | 1.25 | 1.5 | 1.5 | 1.5 | 4.7806 | 38250 | SASOS | 0.05 | 0.207161 | 0.05 | 0.30155 | 0.203466 | 0.091295 | 1.44387 | 1.25 | 1.252555 | 1.265668 | 1.2500 | 1.359382 | 4.7201 | 31500 |
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