Penelitian peningkatan efisiensi energi selalu menjadi salah satu riset yang terus berkembang, termasuk pada sistem penerangan. Tidak sedikit sistem penerangan pada ruang perkuliahan saat ini yang nilainya masih dibawah standar. Sistem penerangan merupakan salah satu faktor pendukung penting kegiatan perkuliahan. Penelitian ini bertujuan untuk mensimulasikan peningkatan efisiensi energi serta tingkat penerangan melalui analisis arus pencahayaan pada ruang perkuliahan Gedung K FTUI dengan dua tahapan. Pertama, melakukan pengukuran iluminasi semua ruang kuliah. Selanjutnya, mengevaluasi tingkat pencahayaan dengan analisis arus cahaya pada software dialux. Skenario yang digunakan yaitu penggantian jenis lampu yang dipakai dengan LED dan perubahan jumlah titik lampu yang terpasang. Hasil simulasi menunjukkan penggunaan lampu LED dengan arus cahaya sebesar 2500 lumen efektif meningkatkan tingkat pencahayaan ruang. Selain itu terjadi peningkatan efisiensi energi sebesar 40% dengan adanya penggantian lampu dari sebelumnya 2.240 kWh menjadi 1.339,2 kWh.
LEDs in lighting systems have been widely used, including public street lighting systems. However, the selection of public street lights in Indonesia often does not use lumen calculations and light dimming technology. This study aims to improve energy consumption efficiency by replacing existing lamps with LED lamps according to the lumen calculation method and using a smart system in the form of automatic dimming of the lamps. The research study was carried out in two stages: the measurement of illumination using a lux meter and the analysis of energy consumption between the existing and the replacement. The replacement scenario is to replace the existing lamps with LED lamps equipped with an automatic dimming system based on lumen calculations. The lighting level is adjusted to Indonesian lighting standards, SNI 7391:2008, 2 to 5 lux. The result of the study is that carrying out a replacement scenario can increase energy consumption efficiency by 77.95%.
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