TY CONF TI TAKING INTO ACCOUNT THE ACTUAL STATE OF THE POWER CHAIN OF MODERN LOCOMOTIVES WHEN PERFORMING TRACTION CALCULATIONS KW Locomotive power chain KW auxiliary loads KW locomotive efficiency JO INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "MANAGEMENT OF OPERATIONAL WORK IN TRANSPORT" (UERT-2022) AU Kurilkin, D.N. PY 2022 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"