Research Article
Improved Solutions for the Optimal Coordination of DOCRs Using Firefly Algorithm
Table 13
Primary/backup relays and fault currents for the 8-bus test system.
| Primary relay | (A) (primary) | Backup relay | (A) (backup) |
| 1 | 2666.3 | 6 | 2666.3 | 2 | 5374.8 | 1 | 804.7 | 2 | 5374.8 | 7 | 1531.5 | 3 | 3325.6 | 2 | 3325.6 | 4 | 2217.1 | 3 | 2217.1 | 5 | 1334.3 | 4 | 1334.3 | 6 | 4975 | 5 | 403.6 | 6 | 4975 | 14 | 1533 | 7 | 4247.6 | 5 | 403.6 | 7 | 4247.6 | 13 | 805.5 | 8 | 4973.2 | 7 | 1531.5 | 8 | 4973.2 | 9 | 403.2 | 9 | 1420.9 | 10 | 1420.9 | 10 | 2313.5 | 11 | 2313.5 | 11 | 3474.3 | 12 | 3474.3 | 12 | 5377 | 13 | 805.5 | 12 | 5377 | 14 | 1533 | 13 | 2475.7 | 8 | 2475.7 | 14 | 4246.4 | 1 | 804.7 | 14 | 4246.4 | 9 | 403.2 |
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