Research Article
Applying Hybrid PSO to Optimize Directional Overcurrent Relay Coordination in Variable Network Topologies
Table 7
10 independent runs of a conventional PSO and the proposed NM-PSO in variable network topologies.
| 10 independent runs | PSO | NM-PSO |
| 1 | 65.0723 | 64.6398 | 2 | 66.6168 | 65.6285 | 3 | 65.2207 | 65.6045 | 4 | 67.0376 | 65.6308 | 5 | 66.0238 | 65.5951 | 6 | 67.0316 | 64.7014 | 7 | 66.9528 | 65.5822 | 8 | 66.7907 | 64.8591 | 9 | 66.7058 | 65.3773 | 10 | 66.1551 | 65.0092 |
| Mean | 66.3607 | 65.2628 | Standard deviations | 0.72601 | 0.41393 |
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