00752naa#a2200181#i#450# EN\\bibl\57918 20241223030556.1 2223-9987 20230327b2023####ek#y0engy0150####ca RU Experimental Research of Energetic Efficiency of Electric Locomotive Asynchronous Traction Drive at Changing Load Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2023 15 с. Journal article local Электровозы. 629.423.1 Асинхронные электродвигатели. 621.313.333 Zarif'yan Aleksandr Aleksandrovich Kolpahch'yan Pavel Grigor'evich atjournal.ru