00765naa#a2200193#i#450# EN\\bibl\104594 20251009193753.4 2223-9987 20250928b2025####ek#y0engy0150####ca RU Computer Simulation of Feeder Protection Systems in Overhead Contact Network for Urban Electric Transport Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 7 с. Journal article local Релейная защита. Селективная защита. 621.316.925 Agunov Aleksandr Viktorovich Scherban' Aleksandr Vladimirovich Arhipov Dmitriy Dmitrievich brni.editorum.ru