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All Journal GEMA TEKNOLOGI
Rama Alya Rozin Pintaka
Universitas Diponegoro
Computer Science & IT

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Rancang Bangun Sistem Monitoring Ketidakseimbangan Pembebanan Trafo Distribusi 3 Phase Menggunakan Arduino Mega Berbasis IoT Rama Alya Rozin Pintaka; Dista Yoel Tadeus
Gema Teknologi Vol 22, No 1 (2022): April 2022 - Oktober 2022
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/gt.v22i1.90243

Abstract

The load current in each phase does not have the same value, and the neutral current does not equal zero, which can result in power losses. This condition is caused by uneven load distribution across each phase during transformer operation, as well as differences in the operating times of consumer loads. Based on this situation, a load imbalance monitoring system was developed. The system utilizes the ESP-8266 Wemos D1 Mini Wi-Fi module to transmit sensor measurement data and provide warnings through the ThingSpeak website when load imbalance exceeds the applicable limit (>25% according to SPLN 12:1978). The data are obtained from measurements using the PZEM-004T sensor, with a measurement error ranging from 0.02–0.05%, and are then processed by an Arduino Mega 2560. When a load imbalance occurs, the microcontroller activates a buzzer and sends a warning notification to Twitter through the ThingSpeak website. Load control is performed manually by simulating different loads on each phase, resulting in the presence of neutral current.
Co-Authors Dista Yoel Tadeus