%0 Journal Article %T Energetic Efficiency Rise of “Yermak” Family Freight Electric Locomotives by Modernization Approach During Plant Repairs %A Mustafin, A.S. %K freight alternating current electric locomotive, traction system, energetic efficiency, electromechanical processes, capacity losses, computer modeling %J Bulletin of scientific research results %D 2022 %N 2022 %P 16 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"