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All Journal Jurnal Teknik Elektro (JTE)
I Made Niantara
PT. PLN (Persero) ULTG SBS, Surabaya
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering

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Sistem Peringatan Dini Gangguan Gardu Induk Berbasis IoT pada Post Keamanan GIS 150kV Gunungsari Ghina Fatma Cahyanni; I Made Niantara; Farid Baskoro
JURNAL TEKNIK ELEKTRO Vol. 15 No. 3 (2026): Vol 15 No 3 (2026): SEPTEMBER 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jte.v15n3.p195-205

Abstract

This study aims to address the limited auditory range of conventional alarms at the Gunungsari 150 kV GIS by developing an Internet of Things (IoT)-based early warning system. Using a descriptive-analytical experimental study approach, this research conducted systematic observations and functional testing of a prototype that integrates an ESP32 microcontroller and a KY-037 sound sensor. Key findings indicate that setting the threshold at 60 effectively distinguishes alarm signals from background noise, with notification transmission to the Telegram app taking less than 5 seconds. The system architecture, which separates the logic for local visual indicators (LEDs) from network notifications, ensures the reliability of alerts even in the event of internet connectivity issues. These findings contribute to strengthening the “human-in-the-loop” monitoring model, which enhances the effectiveness of remote monitoring by substation personnel. The practical implication is the creation of a more responsive and accountable energy infrastructure protection system. Further research is recommended to integrate network redundancy modules and autonomous power sources to anticipate the risk of total power outages.
Co-Authors Farid Baskoro Ghina Fatma Cahyanni