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Home > Archives > Volume 20, No 8 (2022) > Article

DOI: 10.14704/nq.2022.20.8.NQ44964

Fuzzy based Numerical Relay - a Protection Scheme for Three Phase Induction Motor using Arduino Uno

Ms K Bavithra, Ms A Jeyashree, Ms R Divya, Dr C V Pavithra

Abstract

A three phase AC induction motor is a rotating electric machine that is designed to operate on a three-phase supply and is widely used in industries for pumps, pressing machine, conveyor, Flour mills compressor and other low mechanical power applications. A three-phase induction motor is subjected to many faults such as Thermal Overloading, bearing fault, Stator winding related faults etc. Numerical Relays are used to overcome those faults. Thermal and current related faults are recovered by connecting current and temperature sensor to sense the overcurrent and temperature (heating) in the motor which are then processed by the microcontroller to provide control signal to the relay unit when the value exceeds a pre-set limit. The same is validated using MATLAB 2020.The results of software and hardware fall in adequate agreement.

Keywords

A three phase AC induction motor is a rotating electric machine that is designed to operate on a three-phase supply

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