%0 Journal Article %T Underground Three-Phase Power Transmission Line %A Siukaev, T.Z. %A Dudin, B.A. %A Ben'yash, Y.L. %A Shevlyugin, M.V. %A Varicheva, V.V. %K Underground power line, capacitive current, reactive power, three-phase power supply system, long line theory, power losses %J Bulletin of scientific research results %D 2025 %N 2025 %P 7 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"