Motor Speed Control Kits Using a Microcontroller.
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Date
2021-11Author
Mwanza, S. K.
Nganga, B. K.
Muriithi, Christopher M.
Wanjeru, P. M.
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The aim of this project is to make a motor laboratory kits for AC motors. It aims on making affordable kits which are made from locally available materials and applying the obtained knowledge from the four-year curriculum I have undertaken initially laboratory equipment's are very expensive and require huge amount of capital for an institution to purchase or acquire them. The methods used before used resistance rheostat to control the input voltage. The method we have used has a great advantage, since it doesn't involve use of variable resistors to control the high-power input side of a motor. It uses the method of PWM technique to vary the speed of motor. The PWM has high and low pulses which in turn sample the input voltage hence varying the frequency of the applied voltage high power input side. The implemented idea can even be applied in industries to control AC motors. It can also be applied in training institutions to practically educate the trainees on the field of AC motors and enable them to enhance acquired skills on the field of motors and machine drives. Arduino mega Microcontroller is used to produce the PWM for the speed control and also to interface with other components like IR, voltage and Current sensors and the LCD. The method is quite efficient and accurate in precision and also cheap to maintain.