PLC Based Smart Relay Coordination System for Smart Electricity Distribution
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PLC Based Smart Relay Coordination System for Smart Electricity Distribution
Prof.N.R. Budukhale1, Himanshu Gajanan Patil2, Mohit Dilip Patil3, Sumit Bhaskar More4, Pranav Shriram Mahajan5, Vivek Jagdish Sapkale6
1Dept of Electrical Engineering & Padm. Dr. VBKCOE, Malkapur
2 Dept of Electrical Engineering & Padm. Dr. VBKCOE, Malkapur
3 Dept of Electrical Engineering & Padm. Dr. VBKCOE, Malkapur
Abstract - The increasing complexity of power systems and the critical role of transformers in distribution networks necessitate robust protective measures. This paper proposes a PLC-based relay coordination system for smart electricity distribution, focusing on monitoring and diagnosing distribution transformers. By integrating PLCs, relays, and sensors, the system aims to detect various faults such as overloading, overvoltage, under-voltage, phase faults, and over temperature conditions. The design emphasizes automation for efficient operation, labor, and energy savings, while ensuring the reliability of distribution transformers. Additionally, the paper discusses the challenges in protective relay design methods, emphasizing the transition from electromechanical to microprocessor-based systems. Testing principles and objectives are outlined, including fault identification and remediation techniques such as continuity tests and power-on tests. Overall, the proposed system offers a comprehensive approach to transformer protection and monitoring in modern power distribution networks.
Key Words: Relay coordination, Distribution transformers, Programmable Logic Controllers (PLCs), Fault detection, Overloading, Overvoltage, Under-voltage, Phase faults, Over-temperature, Automation, Protective relay design
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