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

Figure 2

GIC of substation under the action of the geoelectric field at different angles. (a) E field 0°, (b) E field 45°, (c) E field 90°, and (d) E field 135°.

(a)

(b)

(c)

(d)