A. Hangga, A.M. Nisa, M. Apriliyanto, M. Afandi, D. Pratama, M.A. Aziz, A. Wijanarko, S. Witrianto
The uniformity of daylight in the classroom contributes to indoor visual comfort in the learning process. A Classroom that has non-uniform illuminance and is unsuitable with 350-3000 lux can affect visual discomfort. This study aims to design a classroom lighting system using daylight and artificial lighting according to Indonesian National Standard (SNI) 6197-2011 to get visual comfort. The results of this study are expected to increase the efficiency of electricity consumption and to solve the visual discomfort problem followed by SNI 6197-2011. This research using E11-210 and E11-112 classroom Universitas Negeri Semarang with the dimension about 12m x 9m x 3,5m. Based on observation, the classrooms had an illuminance of more than 20,000 lux with a uniformity less than 0,6 in the afternoon. Simulation in this study using Dialux Evo software with replacing the layouts of lamp, type of lamps and armature, modifying power of lamp, and implementing dynamics blinds. The result shows that the simulation can solve visual discomfort corresponding to SNI 6197-2011. This paper also presents that LED Tube power modification from 21 - 25 watts can save electricity costs by 37.3%. © Published under licence by IOP Publishing Ltd.
Department of Electrical Engineering, Universitas Negeri Semarang, Semarang, 50229, Indonesia
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