Key Transmission Section Search Based on Graph Theory and PMU Data for Vulnerable Line Identification in Power System

Table 3

The predicted fault line corresponds to the transmission section.

Sort	Prebreak branch	Corresponding section	LOPF	Safety margin
1	2-3	25-26	0.435	0.893
		26-27	0.79	0.267
2	6–11	13-14	0.925	0.306
		10–13	0.91	0.258
		14-4	0.14	0.646
3	16-17	16-15	0.37	0.368
4	16–19	19-20	0.182	0.669
5	3-4	2-1	0.157	0.682
		1–39	0.123	0.896
6	25-26	2-3	0.856	0.196
		25-2	0.411	0.624
7	5-6	7-8	0.864	0.916
		6-7	0.37	0.353
		13-14	0.925	0.157
		10–13	0.91	0.258
		14-4	0.14	0.646
8	10-11	10–13	0.91	0.258
		13-14	0.925	0.157
		14-4	0.14	0.646
		13-12	0.23	0.795
9	2–25	25-26	0.435	0.893
		26-27	0.79	0.267
10	10–13	10-11	0.947	0.189
		11-6	0.37	0.153
		5-4	0.3	0.692
		6-5	0.921	0.624
		11-12	0.13	0.606