Design and Implementation of Service Line Power Theft Monitoring System Using GSM

A service-line power-theft monitoring system using GSM technology has been designed and implemented to provide automatic detection and notification of unauthorized electricity consumption. The system uses current sensors to monitor the electrical current at the distributor and consumer sides and employs an Arduino-based controller to identify abnormal differences. When power theft is detected, the GSM modem transmits an alert message to the concerned lineman, enabling timely investigation and corrective action. The system provides an economical and practical approach for improving the monitoring of electrical distribution service lines. In addition to theft detection, the electromagnetic relay provides protection by disconnecting the circuit during abnormal voltage fluctuations. Thus, the proposed system combines automatic monitoring, wireless communication, local indication, and protective switching to reduce power theft and improve the security and reliability of electricity distribution.

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