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