00735naa#a2200193#i#450# EN\\bibl\96647 20250405083703.6 2223-9987 20250325b2025####ek#y0engy0150####ca RU Increasing the Efficiency of Grounding the Overhead Catenary Supports on AC Railway Sections Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 12 с. Journal article local на переменном однофазном токе. 621.331.3.025.1 Kremlev Ivan Aleksandrovich Salita Evgeniy Yur'evich Terehin Il'ya Alksandrovich brni.editorum.ru