Design of a three stage led driver for street lighting application
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 3
Abstract
Now a day’s light emitting diodes are widely used in industrial as well as domestic applications due to their long life, mercury free, low maintenance cost etc., As a result high number of topologies for supplying LED strings are coming out. Single stage topology is cost effective, but their efficiency is low as they have to fulfill several purposes with only one converter. Two stage and three stage topologies have higher efficiency as each stage is designed for one specific task. In this project, three stage topology is proposed for LED based street lighting application. In this topology pfc will be achieved by boost converter (first stage), galvanic isolation is provided by electronic transformer (second stage), two-input buck converter (third stage) is used to reduce the ripple and also regulate the output converter. High efficiency and high reliability will be achieved by using this topology. The design, modeling of three stage topology will be carried out in MATLAB/SIMULINK. For street lighting application 160 W will be generated by using three stage topology.
Authors and Affiliations
B. Sowbhagya, A. Aran Jyothi
Keywords
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