Smart Monitoring System for Voltage, Current, and Security Measurement Based on Raspberry Pi in Distribution Substations

Muhammad Imran Bachtiar; Andi Inggrid Prameswari Mantari; Fitriyani; Satriani Said Akhmad; Musfira Putri Lukman

Authors

Muhammad Imran Bachtiar Politeknik Negeri Ujung Pandang
Andi Inggrid Prameswari Mantari PNUP
Fitriyani PNUP
Satriani Said Akhmad PNUP
Musfira Putri Lukman PNUP

Keywords:

Raspberry Pi, Distribution Substation, Voltage and Current Monitoring, Smart Security, Internet of Things (IoT), PZEM-004T Sensor, PIR Sensor, Firebase, MIT App Inventor

Abstract

Monitoring voltage, current, and security in distribution substations is crucial to maintain power system reliability and to prevent losses caused by disturbances or theft. This study presents the design and implementation of a smart monitoring system for voltage, current, and security based on a Raspberry Pi platform. The system integrates a PZEM-004T voltage and current sensor, a PIR motion sensor, a USB camera, and a DS3231 RTC module. It enables real-time measurement of electrical parameters and automatically detects unauthorized access to substation panels. The monitoring data is transmitted to a Firebase Realtime Database and visualized through an Android application developed using MIT App Inventor. When motion is detected, the system automatically captures images and video footage, which are then uploaded to Google Drive as visual evidence. Additionally, the system provides real-time notifications to the user through the application, thereby enhancing the efficiency and effectiveness of substation monitoring and security. Experimental results demonstrate that the system operates accurately and responsively in both electrical parameter measurement and security threat detection.

Author Biography

Muhammad Imran Bachtiar, Politeknik Negeri Ujung Pandang

Teknik Elektro

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