Protection and Control of Modern Power Systems

Table 3 Minimum and maximum fault current observed by each relay in the IEEE 14-bus sytem

From: Adaptive relay co-ordination using a busbar splitting approach for a system integrity protection scheme

Relay	After busbar splitting		Before busbar splitting
Relay	\(I_{{F{ }MAX}}\)(kA)	\(I_{{F{ }MIN}}\)(kA)	\(I_{{F{ }MAX}}\)(kA)	\(I_{{F{ }MIN}}\)(kA)
R1	10.3	8.462	7.073	6.83
R2	10.3	8.462	7.073	6.83
R3	10.3	8.462	7.073	6.83
R4	0	0	0	0
R5	7.854	6.453	6.01	5.799
R6	2.631	2.162	1.135	1.095
R7	2.631	2.162	1.135	1.095
R8	2.631	2.162	1.135	1.095
R9	2.631	2.162	1.135	1.095
R10	0.538	0.442	0.232	0.224
R11	2.101	1.726	0.906	0.874
R12	0.538	0.442	0.232	0.224
R13	0.538	0.442	0.232	0.224
R14	0	0	13.652	13.172
R15	0	0	13.652	13.172
R16	2.101	1.726	0.906	0.874
R17	0.538	0.442	0.232	0.224
R18	7.854	6.453	6.01	5.799
R19	7.854	6.453	6.01	5.799
R20	10.3	8.462	7.073	6.83

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