TY JOUR TI COMBINED ELECTRICITY SYSTEM FOR FORESTRY MACHINES KW electromagnetic generator KW thermoelectric generator KW polymeric material (PM) KW thermal energy KW thermocouples KW electrical energy. JO Actual directions of scientific researches of the XXI century: theory and practice AU Novikov, A.P. AU Khripchenko, M.. AU Kaschennko, V.E. PY 2020 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov