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Sistem Monitoring Beban Tiga Fasa pada Gardu Distribusi berbasis Internet of Things Tandepadang, Eklesia Anggara; Jabbar, A. Abd.
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.3109

Abstract

To achieve optimal results in distributing electrical loads, maintaining load balance among phases in a three phase installation system is essential, as any imbalance can lead to electrical power losses. One of the factors contributing to load imbalances is the improper installation of electrical equipment across the phases, deviating from the existing installation design. This research aims to develop a system, known as the Load Monitoring System, capable of storing and providing information about the load conditions installed on a three-phase transformer loading system. This system aims to facilitate the process of adding customers, dividing the load on each phase, avoiding load imbalances, and serving as a reference for routine maintenance of distribution substations annually. The methodology employed in this research is a quantitative method based on testing Internet of Things (IoT) monitoring system tools. The results show that the system effectively monitors load current and voltage at the distribution substation. Additionally, the device enables remote monitoring with the Transmitter capable of sending data to the Receiver from distances ranging from 50 m to 100 m and with the TX Max position in dense environmental conditions and full of obstacles such as buildings and trees or in rural areas with limited internet connectivity.
Alat Ukur Konstanta Waktu Resistor Kapasitor Berbasis Mikrokontroler Febrian, Andi Wahyu; Jabbar, A. Abd.; Jasmawati, Jasmawati
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3383

Abstract

Currently, the measurement of time constants in Resistor-Capacitor circuits still uses manual calculations, necessitating the development of measurement technology from analog to digital. This research aims to design and develop a digital-based time constant measurement tool for Resistor-Capacitor circuits. The research method uses a quantitative approach based on research and development with the implementation of an Arduino Nano microcontroller and Liquid Crystal Display. Testing was conducted on five capacitor variations with a fixed 100kΩ resistor in charging and discharging modes. Each test was performed five times to validate the consistency of results. The research results show that the developed measurement tool has a highest average error rate of 4.3%, well below the 10% tolerance limit. Comparative analysis with a standard multimeter shows good measurement consistency. This measurement tool can be implemented for digital measurement and analysis of Resistor-Capacitor circuits with a reliable level of accuracy.