TY JOUR TI Assessment of Electromagnetic Situation for Automation and Remote Control Equipment on Railway Electrified Sections KW rail lines KW traction currents KW asymmetry KW electromagnetic situation KW interference KW rail chains KW automatic locomotive signaling JO Transport automation research AU Shamanov, V.I. PY 2022 IS 8 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"