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All Journal Jurnal Mosfet
Muhammad Syafar, Andi
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Control & Systems Engineering Electrical & Electronics Engineering Energy

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Journal : Jurnal Mosfet

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Sistem Kendali Pembangkit Listrik Tenaga Surya Skala Laboratorium Berbasis Internet of Things Aidil, Aidil; Muhammad Syafar, Andi
Jurnal Mosfet Vol. 5 No. 2 (2025): 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v5i2.4251

Abstract

The increasing demand for renewable energy requires a more efficient and automatically controlled battery charging system. This study aims to design and implement a battery charging control system in a laboratory-scale Solar Power Plant (SPP) using an Internet of Things (IoT) approach. The main issue addressed is how to design a system architecture capable of automatically controlling battery charging and being monitored remotely through an IoT application. The method used involves an ESP32 microcontroller as the control unit, a voltage sensor to read the battery voltage, and a relay as an actuator to disconnect and connect the charging current. Voltage data and charging status are displayed on an LCD and sent in real-time to the Firebase Realtime Database. The system also records historical charging logs in the form of time, voltage, capacity, and charging status data. Test results show that the system works as designed, disconnecting charging when the voltage reaches 13.8V and reactivating it when the voltage drops to 12.20V. The system demonstrates stable charging and discharging performance, with testing recording an upper voltage threshold of 13.87V and a lower voltage threshold of 12.20V. This research proves that the system can serve as an initial solution in the development of IoT-based renewable energy charging monitoring and control technology
Sistem Monitoring Kinerja Panel Surya Secara Real Time Berbasis Web Sulfikar, Sulfikar; Pawelloi, A. Irmayani; Muhammad Syafar, Andi
Jurnal Mosfet Vol. 6 No. 1 (2026): 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v6i1.4325

Abstract

The use of solar energy is increasingly important in addressing climate change. This study designed a real-time web-based solar panel performance monitoring system by monitoring voltage, temperature, and light intensity using Arduino Uno and ESP32 connected to Firebase. Testing was conducted for one day from 08.00-17.00 WITA. In the morning at 09.00, Panel 1 reached a maximum voltage of 22.43 V with a light intensity of 54,612.5 lux and a temperature of 38.4 ℃, while Panel 2 reached 21.67 V with an intensity of 54,612.5 lux and a temperature of 39 ℃, Entering the afternoon at 11.30, Panel 2 recorded the highest voltage of 22.82 V at an intensity of 54,612.5 lux and a temperature of 41 ℃, while Panel 1 showed a voltage of 22.6 V with the same light conditions and a temperature of 39.7 ℃. In the afternoon at 5:00 PM, both panels experienced a significant decrease, where Panel 1 dropped to 8.33 V with an intensity of 13,865 lux and a temperature of 28 ℃, while Panel 2 dropped to 8.45 V with an intensity of 10,918.3 lux and a temperature of 28 ℃. It can be concluded that high light is indeed important in producing electrical energy in solar panels but is not enough if it is not balanced with a relatively low temperature. Optimal conditions are achieved when maximum light is accompanied by a temperature that is not too high, with panel 2 showing slightly more stable performance than panel 1.
Co-Authors Aidil, Aidil Pawelloi, A. Irmayani