TY JOUR TI Lightning-Induced Wave Processes in a 10 kV High-Voltage Automatic Block System KW lightning discharge KW impulse overvoltage KW mathematical model KW high-voltage line KW railway automation and remote control system KW state-variable method JO Transport automation research AU Solov'ev, A.D. AU Manakov, A.D. PY 2026 IS 12 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"