Preventive Control Strategy of Cascading Fault considering Safety and Economy

Table 2

Vulnerable branches of IEEE39 node system.

Branch	F(a)	Ranking		Ranking		Ranking		Ranking		Ranking		Ranking
L15-16	0.75	1	0.46	3	0.73	3	0.72	4	0.96	2	1	1
L26-27	0.67	2	0.58	1	0.50	5	0.64	5	0.32	4	0.32	5
L21-22	0.65	3	0.39	5	1	1	0.31	7	1	1	0.84	3
L2-3	0.55	4	0.47	2	0.74	2	0.81	3	0.78	3	0.32	5
L2-25	0.37	5	0.45	4	0.57	4	0.88	2	0.19	5	0.09	7
L14-15	0.33	6	0.01	7	0.27	7	0.60	6	0.09	7	0.88	2
L16-17	0.32	7	0.11	6	0.40	6	1	1	0.12	6	0.43	4