IoT-Enabled Smart Grid Monitoring with Dual Communication and Overload Protection
Juvvanaboyina Sandhya
This research presents an IoT-based smart grid monitoring system designed to address frequent power interruptions during transmission from grid stations to consumers. The proposed architecture integrates Arduino UNO as the central controller with ESP8266 WiFi module for cloud data transmission to ThingSpeak platform and GSM module for real-time SMS alerts during overload conditions. Key sensors monitor voltage, current, temperature, humidity, and oil levels, while a relay provides automatic load disconnection above safe thresholds (voltage >230V, current >0.7A). Deployed over 7 days, the system achieved 98.2% data transmission reliability via WiFi and 100% SMS delivery success, reducing outage response time from hours to seconds. Costing under INR 4500, this solution offers scalable deployment for rural Indian grids, enhancing energy efficiency and grid stability through bidirectional communication.