TY JOUR TI The use of led lamps to reduce the ripple factor of illumination KW led lamps KW the ripple factor of illumination. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kanagina, Y.. AU Ivanova, A.. AU Kindeev, E.. AU Fokina, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov