TY JOUR TI DEVELOPMENT OF THE CONCEPT OF ENERGY SAVING TRACTION DRIVE OF THE LOCOMOTIVE KW rail traction KW inductor KW engine KW energy saving KW protection KW current KW magnetic flux KW electric drive JO Transport engineering AU Pugachev, A.A. AU Vorob'ev, V.I. AU Izmerov, O.V. AU Karpov, A.E. PY 2024 IS 2024 PB Bryansk State Technical University