00632naa#a2200169#i#450# EN\\bibl\109385 20251215122938.1 1815-588X 20251205b2025####ek#y0engy0150####ca RU Diagnostics of Traction Motor Insulation by Partial Discharge Measuring Method Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 7 с. Journal article local Электрические тяговые двигатели. 629.423.31 Shrayber Marina Aleksandrovna itt-pgups.ru