Implementation of Energy Efficient LED Lighting System in Classrooms at TU Sofia

Reconstruction of the lighting system of five lection halls in the Technical University of Sofia has been made and is the topic of the current paper. Three types of luminaires with different optical systems, LEDs and drivers are developed. Thus assembled the luminaires under consideration apply with the parameters described in the normative documents and standards for education facilities and lecture halls. Also a control system is developed with functionality allowing different light scenes and regimes.