LED based universal lighting system

Abstract

Recently, the LED based interior lighting systems are passing through the boom. LED lamps represent proven and energetically convenient technology. However, the technicians deal with several problems resulting from replacing the conventional light sources with LED lamps. One of the most disadvantageous differences between the conventional and LED lamps are the VA-characteristics of the LEDś PN junctions. Unlike bulbs and fluorescent tubes, the LEDs must be supplied with constant DC current in order their stability in light flux and their nominal service time were reached. On the other hand, dealing with this disadvantage can lead to more universal and comfort solutions, as demonstrated in this paper. Because there are no general standards used at employing the LED lamps, in this paper we would like to introduce one of the possible solutions that contributes to higher variability and comfort of the interior lighting with LED lamps. Copyright © (2012) by Danube Adria Association for Automation and Manufacturing (DAAAM).