00629naa#a2200181#i#450# EN\\bibl\84693 20241126054208.2 2223-9987 20240628b2024####ek#y0engy0150####ca RU The limit of power flow in the traction power supply system Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2024 10 с. Journal article local Выбор рода тока. 621.331.3 Ivanov Mihail Aleksandrovich Seronosov Vladimir Vladimirovich atjournal.ru