%0 Journal Article %T The use of led lamps to reduce the ripple factor of illumination %A Kanagina, Y.. %A Ivanova, A.. %A Kindeev, E.. %A Fokina, A.. %K led lamps, the ripple factor of illumination. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov