TY JOUR TI Limitations of Calculation Models for Electricity Consumption and Traction Power for Trains Within the KORTES Software Package KW Software package KW electricity consumption calculation KW calculation issues KW mathematical model limitations KW software package enhancement KW calculation method development JO Proceedings of Petersburg Transport University AU Sulimin, A.Y. AU Ivanov, M.A. PY 2025 IS 22 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"