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All Journal ELKHA : Jurnal Teknik Elektro ELIT JOURNAL Electrotechnics And Information Technology
Mario Roal, Mario
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering

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Peningkatan Efisiensi Energi Menggunakan Baterai Dengan Kendali Otomatis Penerangan Ruang Kelas Berbasis PLTS Roal, Mario
ELKHA : Jurnal Teknik Elektro Vol 7, No 2 (2015): Edisi Oktober 2015
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (141.533 KB) | DOI: 10.26418/elkha.v7i2.13186

Abstract

Abstract– This paper shows a simulation result from automatic lighting control system prototype. This system using AC voltage source coming from energy supply battery based Solar Power Plants (PLTS). Automatic lighting control system aimed to minimize the energy consumption of the battery use for room lighting lamp by utilizing the light came from outdoor.  The Controller used in this system was microcontroller ATMega16. The Controller system main function was to regulate the use of the lighting lamp in accordance with room by turning on or turning off the light as needed.The system maintained the room illumination light in a range of 250 – 300 lux. This range was based on the Indonesian National Standard (i.e. SNI 03-2396-2001) where the illumination for a classroom was standardized to be 250 lux. The system controlled the battery energy consumption in two way. Firstly, if there were people in the room, then the system would turn on the lighting lamp automatically or vice versa.  Secondly, the system turned on or turned off some lamps by adjusting amount of light entering from the outside room. These calculations were compared the power needed when there is no interfere lighting from outside to the room (classification I) or in this case the control device was not functioning. Average efficiency number of battery energy consumption for 6 hours base on 6 classification load was classification II was 1,48 Watt/hour, classification III was 2,46 Watt/hour, classification IV was 3,65 Watt/hour, classification V was 4,67 Watt/hour, classification VI was 6,3 Watt/hour and classification  VII was 8,59 Watt/hour. Relationship of energy consumption and battery supply endurance was as follows (classification II (6-7 hour), classification III (8-9 hour), classification IV (10-11 hour), classification V (12-13 hour), classification VI (18-19 hour). 10 Wp solar cell was used to recharge battery with a capacity of 5Ah and take 8 requires hours with 1,171 charging current average. Keywords– Battery, automation, led, prototype, solar power plant.
Performance and Energy Efficiency Analysis of a Rooftop Photovoltaic System in an Office Building Using SolisCloud Roal, Mario; Julianto, Heri; Ferdyanto
Jurnal ELIT Vol. 7 No. 1 (2026): Jurnal ELIT
Publisher : Jurusan Teknik Elektro Politeknik Negeri Pontianak

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Abstract

upport the energy transition and improve electricity consumption efficiency. This study aims to evaluate the performance of a rooftop PV system and analyze the efficiency of electricity consumption at the DISPERINDAG ESDM Office Building of West Kalimantan Province. The research was conducted as a case study using a quantitative and evaluative approach, based on operational data of the PV system obtained from the SolisCloud application during 2024, as well as electricity consumption data before and after the installation of the PV system. System performance was evaluated using the Performance Ratio (PR) and Yield Factor (Yf) parameters in accordance with the IEC 61724-1:2017 standard. The results show that the PV system generated a total electrical energy of 30,719 kWh, with an average PR value of 70.72% and a Yf of 3.36 kWh/kWp. Electricity consumption from the PLN grid decreased from 81,259 kWh in 2023 to 61,684 kWh in 2024, resulting in an electricity consumption efficiency of 24%.
Co-Authors Ferdyanto Julianto, Heri