SPEED CONTROL OF UNIVERSAL MOTOR USING SNIVERSAL BRIDGE

Abstract

Speed control of AC and DC motor is carried out by using universal bridge drive. This universal Bridge which consist combination of IGBT & MOSFET and Diodes by changing the gate pulses. This universal Bridge is controlled by V/F control method. This method is used for single phase AC and DC motor control with small modification in hardware and software using Simulink. Power circuit includes inverter which connected to PWM generator. There are many industrial and domestic applications were speed variation is required, many speed control techniques are used like rheostat control, variable voltage control, v/f control. The simulation is carried out in MATLAB. The characteristics of motors can be studied from waveform obtained by simulation