International Journal on Science and Technology

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Call for Paper Volume 17 Issue 3 July-September 2026 Submit your research before last 3 days of September to publish your research paper in the issue of July-September.
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Volume 17 Issue 3
July-September 2026

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Smart Motor Protection and Phase Monitoring System for Three-Phase Motors Using Arduino and IoT Integration

Author(s) Dr. Jarapala Ramesh Babu, More Divya, Varu Chirag, Madhavarapu Premkumar
Country India
Abstract Three-phase induction motors are extensively utilized in industrial and commercial applications due to their robustness, efficiency, and capability to handle high-power loads. However, these motors are vulnerable to damage from phase failure conditions, including single-phasing, voltage imbalance, and phase loss, which can lead to overheating, reduced efficiency, and permanent equipment failure. This paper presents the design and development of a low-cost, intelligent three-phase monitoring and protection system integrated with Internet of Things (IoT) communication for real-time fault notification. The proposed system employs an Arduino Uno microcontroller as the central processing unit, continuously monitoring the availability of R, Y, and B phases through voltage sensor modules. Upon detection of any phase failure, the system automatically disconnects relay-controlled loads to prevent single-phasing damage. Local status indication is provided through an I2C LCD display and audible buzzer alerts, while remote monitoring is achieved via an ESP32 DevKit module that transmits fault notifications to a Telegram application through Wi-Fi connectivity. The system architecture combines embedded control, automated protection, and wireless communication into a single scalable platform. Experimental validation demonstrates reliable phase detection, rapid relay response, and effective remote alerting, confirming the system's suitability for industrial automation, motor protection, and smart energy management applications.
Keywords three-phase motor protection, phase monitoring, Arduino Uno, ESP32, IoT communication, relay control, Telegram notification, embedded systems, industrial automation.
Field Engineering
Published In Volume 17, Issue 3, July-September 2026
Published On 2026-08-23
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Crossref DOI prefix of IJSAT is 10.71097/IJSAT

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