00791naa#a2200193#i#450# EN\\bibl\72397 20241110054726.7 1815-588X 20231217b2023####ek#y0engy0150####ca RU Reduction of Economic Losses in the Contact Network and Overhead Lines Electrified with Alternating Current Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2023 11 с. Journal article local Высшее образование. Высшая школа. Подготовка научных кадров. 378 Shevlyugin Maxim Valer'evich Kulikov Andrey Andreevich Semenova Darya Vladimirovna atjournal.ru