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Earth, Planets and Space
Figure 4 | Earth, Planets and Space

Figure 4

From: Assessing the hazard from geomagnetically induced currents to the entire high-voltage power network in Spain

Figure 4

Maximum values of GICs under the conditions during the Halloween storm. Circles have diameters proportional to the flowing current (regardless of its sign), and a maximum of 78.2 A was observed, which was achieved at the Mesa de la Copa substation (node 157 in Figure 1). Arrowheads at the ends of some transmission lines indicate connection with foreign substations.

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