Identification of Critical Nodes and Accident Chains of Power Systems under the Effect of Geomagnetic Storms

Table 3

Accident chain collection.

Rank	Eastward E field
	E = 0	E = 1 V/km	E = 3 V/km	E = 5 V/km	E = 9 V/km
1	L28-L24-L7-L11	L27-L6	L27-L6	L27	L27
2	L30-L28-L24-L7-L11	L32-L11	L32-L11	L32-L11	L32-L11
3	L23-L29-L7	L25-L28-L26	L25-L28-L26	L25-L28-L26	L25
4	L24-L28-L7	L21-L23-L22-L11	L21-L23-L22-L11	L21-L23	L21
5	L31-L38	L24-L28-L7	L24-L28-L7-L11	L24-L28	L24
6	L27-L6	L30-L28-L24-L7-L11	L30-L28-L24-L7-L11	L30-L28-L24	L30-L28
7	L29-L23-L7	L19-L23	L19-L23	L19-L23	L19
8	L32-L11	L1-L11	L1-L11	L1-L11	L1-L11
9	L19-L23	L18-L23-L7-L11	L18-L23-L11	L18-L23	L18-L23
10	L7-L23-L27	L22-L23-L21-L11	L22-L23-L21-L11	L22-L23	L22
Rank	Northward E field
	E = 0	E = 1 V/km	E = 3 V/km	E = 5 V/km	E = 9 V/km
1	L28-L24-L7-L11	L22-L23-L21-L11	L22-L23-L21-L11	L22-L23-L21	L22
2	L30-L28-L24-L7-L11	L36-L37-L29	L36-L37-L29	L36-L37	L36-L37
3	L23-L29-L7	L24-L28-L7	L24-L28	L24-L28	L24
4	L24-L28-L7	L27-L6	L27-L6	L27	L27
5	L31-L38	L31-L38	L31-L38	L31-L38	L31-L38
6	L27-L6	L21-L23-L22-L11	L21-L23-L22	L21-L23-L22	L21
7	L29-L23-L7	L30-L28-L24-L7-L11	L30-L38-L24-L7	L30-L38-L24-L7	L30-L38
8	L32-L11	L28-L24-L7-L11	L28-L24-L7-L11	L28-L24-L7	L28
9	L19-L23	L23-L29-L7	L23-L29-L7	L23-L29-L7	L23
10	L7-L23-L27	L18-L23-L7	L18-L23	L18-L23	L18-L23