TY JOUR TI CALCULATION OF TRACTION AND ENERGY CHARACTERISTICS OF METRO WITH DIFFERENT ELECTRIC TRACTION SYSTEMS BY PROGRAM «MATHCAD» KW passenger transport KW Moscow Metro KW traction system KW asynchronous traction (AC) KW DC traction KW traction-energy calculations KW the parameters JO Alternative energy sources in the transport-technological complex: problems and prospects of rational use of AU Le Xuan, H.. AU Tulupov, V.. PY 2015 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov