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Fig. 5.


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Normalized inverse cumulative frequency (NICF) distribution of calculated GIC in the neutral of the Itumbiara 500 kV transformer for strong geomagnetic storms during the solar cycle 23. The black dots show the data. The red curve represents the q-exponential Tsallis distribution fit given by Eq. (8) with q = 1.25, B = 1.77 A−1 and C = 1.18.

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