TY JOUR TI Space weather impact on ground-based technological systems KW space weather KW geomagnetically induced currents KW power transmission lines KW transformers KW pipelines KW railways automation KW magnetospheric storms KW substorms KW Pi3/Ps6 pulsations JO Solnechno-Zemnaya Fizika AU Pilipenko, V.A. PY 2021 IS 7 PB INFRA-M Academic Publishing LLC.