TY JOUR TI What Should We Know to Predict Geomagnetically Induced Currents in Power Transmission Lines? KW magnetic storm KW substorms KW magnetic impulsive events KW ionospheric vortex KW geomagnetically induced currents KW Pi3 pulsations KW power transmission lines JO Russian Journal of Earth Sciences AU Pilipenko, V.A. AU Kozyreva, O.V. AU Belahovskiy, V.B. AU Sakharov, Y.A. AU Selivanov, V.N. PY 2024 IS 24 PB Geophysical Center of the Russian Academy of Sciences