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The project requires the need of design a Microcontroller-Based Variable Speed Drive for Three-Phase Induction Motor in Cooling Applications using MATLAB/SIMULINK. The VSD (variable speed drive) is designed and constructed to run a 175W, four pole, 50 Hz, 1360 rpm, 380 V , 0.52 A and three-phase squirrel cage induction motor. The VSD includes a a three-phase IGBT inverter while the control circuit mainly consists of a PIC microcontroller, a PWM driver and a display unit. The microchip PIC microcontroller is programmed using MATLAB to generate variable frequency sinusoidal PWM switching signals.
The IGBT inverter receives DC supply and its output terminals are connected to a three-phase induction motor. The control circuit is connected to the inverter to send the switching signals to the IGBTs’ gates. Temperature sensed is displayed.
Upon completion of the project, the students will be required to do a demonstration. During the demonstration, the students must be able to explain and show how the drive receives temperature feedback from objects to be cooled and output a corresponding frequency to the Induction Motor.
see attachment. 2 hours will be done, i would offer USD 10 for this project