TY JOUR TI Development of a Power Source for Vibroacoustic Diagnosis Position of Locomotive Depot Bearings KW electric rolling stock KW vibroacoustic diagnosis KW positions of bearing vibroacoustic diagnosis KW power sources KW rectifier KW pulse converter KW step-down transformer JO Bulletin of scientific research results AU Shadmonhodzhaev, M.S. AU Zelenchenko, A.P. PY 2022 IS 2022 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"