Smart Induction Motor Protection And Control System Using Iot

The Single Phase Induction Motor Protection and Control System using IoT is designed to improve the safety, reliability and performance of single phase induction motors by continuously monitoring important electrical parameters and controlling the motor through internet-based technology. Single phase induction motors are widely used in household appliances, agricultural pumps, fans, compressors and small industrial machines due to their simple construction and low cost. However, these motors are highly sensitive to abnormal operating conditions such as overload, overcurrent, overheating, voltage fluctuation, phase failure and short circuit. These faults can reduce motor efficiency, increase maintenance cost and sometimes permanently damage the motor. In traditional systems, protection devices such as fuse, MCB or overload relay provide limited safety and do not allow remote monitoring of motor condition. To overcome this problem, Internet of Things (IoT) technology is used in this project to create a smart monitoring and protection system. The proposed system uses sensors such as current sensor, voltage sensor and temperature sensor to continuously measure motor parameters. These sensors are connected to a microcontroller such as Arduino, which processes the data and compares it with predefined safe operating limits. When the motor operates under normal conditions, the system continuously sends real time data to an IoT cloud platform such as Blynk or ThingSpeak through Wi-Fi module. The user can monitor motor parameters such as current, voltage and temperature using a mobile phone, tablet or computer from any location. If any abnormal condition such as overload, overheating or high current occurs, the microcontroller automatically activates the relay module to disconnect power supply to the motor and prevent damage. The system also provides remote control facility, allowing the user to turn the motor ON or OFF using IoT mobile application. This feature is especially useful in agricultural applications such as water pumping systems where motor needs to be controlled from distant locations. The system helps in early fault detection, reduces maintenance cost and increases operational safety. Overall, the IoT based motor protection system is an efficient, low cost and reliable solution for improving motor life and reducing failure risk. The system can be further enhanced by adding features such as SMS alert, mobile notification, automatic fault diagnosis and data logging for performance analysis. This project demonstrates how IoT technology can be effectively used in electrical engineering applications to develop smart and intelligent protection systems.