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FOUR QUADRANT SPEED CONTROL OF DC MOTOR USING CHOPPER

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.4, No. 2)

Publication Date:

Authors : ; ; ;

Page : 401-406

Keywords : Four Quadrant Chopper; IGBT; DC motor; PWM; Voltage regulator.;

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Abstract

In this paper present four quadrant speed control model is designed by using chopper to control the speed of DC motor. The designed model provide four quadrant speed control of DC motor in both direction, ie. clockwise direction, counter-clockwise direction along with braking of the DC motor. This operation will most superior in DC motor than the AC because changing the rotation of motor is difficult and complicated in AC as compare to DC. In this .The Insulated Gate Bipolar Transistor (IGBT) is used for speed control of DC motor which is very smooth in operation. The chopper circuit is designed by Insulated Gate Bipolar Transistor (IGBT) to control the speed of DC motor in both direction. The switching operation of IGBT is done by can by using Pulse Width Modulation (PWM) technique. In this designed model PWM signal can be generated by using of IC LM324 (Quad op-amp).As per the variation in the pulses motor speed will be vary. By Four Quadrant Speed control technique it is very easy to control the direction and speed of the motor. In this paper designing of speed control is verified experimentally on DC motor.

Last modified: 2015-03-11 21:12:19