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Latiefa Achsani Yusfira Sulaiman
Universitas Diponegoro

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Rancang Bangun Sistem Monitoring Dan Pemutusan Otomatis Sambungan Sementara (Pesta) Berbasis IoT (Internet Of Things) Latiefa Achsani Yusfira Sulaiman; Eko Ariyanto
Gema Teknologi Vol 21, No 3 (2021): April 2021 - October 2021
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/gt.v21i3.90249

Abstract

Temporary Connection (PESTA) is an electricity connection service provided by PT. PLN (Persero) intended for customers’ temporary needs or those requiring service for a specific period, with a capacity greater than the installed contracted capacity. Examples of temporary customer needs include electricity for repair shops, celebrations, etc. Limited field personnel, combined with overlapping tasks related to PBPD (New Connections and Capacity Changes), the lack of direct notification regarding the completion time of temporary connections, and the distance to customers’ homes, result in delays in normalizing temporary connections. Delays in normalizing temporary connections affect customers’ metered usage, which does not match the initial contracted capacity, resulting in losses for PT.PLN (Persero) because the metered usage is billed at the initial contracted rate rather than the temporary connection rate (non-technical loss). To address these issues and minimize losses, a monitoring and automatic disconnection device for temporary connections was developed to prevent delays in normalization and achieve energy savings (saved kWh). This device utilizes an Automatic Transfer Switch (ATS) system with a relay and timer that automatically transfers the load from the PESTA kWh meter to the customer’s kWh meter. The ESP-32 module acts as a microcontroller that processes data from the PZEM-004T sensor (with an error margin of 0.02–0.05%) and sends automatic disconnection notifications via the Blynk app and SMS.