TY JOUR TI ELECTRIC LOSS IN RAILWAY CONTACT NETWORK AT AC ELECTRIC LOCOMOTIVE OPERATION KW AC electric locomotive KW electric power KW power loss KW voltage loss KW contact network KW reactive power compensator JO Bulletin of Bryansk state technical university AU Kabalyk, Y.S. AU Shuharev, S.A. AU Drogolov, D.Y. PY 2019 IS 2019 PB Bryansk State Technical University