Speed Control Of Induction Motor Using Scalar Control

Agata, Ngawang (2006) Speed Control Of Induction Motor Using Scalar Control. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The ability to control speed of induction motor is desired in industry. Besides for control of the processing procedure, efficient speed control strategies can reduce the operation cost. There are several method can be used to control the speed of induction motor. It includes scalar control and vector control. This project will be focus on scalar control method. Scalar control is a very simple method for controlling speed motor. In scalar control, the speed of the induction motor can be change and control by just simply control the magnitude of voltage or frequency of the induction motor. It is different from vector control which is more complex. In this project the speed will be control by varying the induction motor frequency from 0 to 50 Hertz. The speed is first varied by increased the value of motor frequency, than the simulation will show the speed of induction motor will be increase proportionally and vice versa. The scalar controller is designed using Simulink/Matlab software. This program is used to calculate and plot the speed and torque response of the control system. When the program is run, it plots the desire speed response and torque response on the computer screen.

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