TY CONF TI METHODS OF REDUCING PULSATIONS OF LIGHT FLOW IN LED LIGHT SOURCES KW energy saving KW ripple coefficient KW modeling KW circuitry KW voltage converters JO CAD/EDA/SIMULATION IN MODERN ELECTRONICS 2019 AU Sedykh, S.V. AU Gadashev, D.G. AU Drakin, A.Y. PY 2024 PB Bryansk State Technical University