SIMULATION AND IMPLEMENTATION OF CONTROL STRATEGY FOR Z-SOURCE INVERTER IN THE SPEED CONTROL OF INDUCTION MOTOR

In this paper development, modeling and simulation of control strategy for Z-source inverter is presented. The performance of single-phase induction motor is studied with the control of single phase Z-source inverter using ARM-7. The LPC-2148 ARM-7 microcontroller senses the motor speed feedback signal and consequently provides the pulse width modulated (PWM) signal that sets the gate voltage of the inverter, which in turn provides the required voltage for the desired speed. Simple Boost Control PWM technique has been employed in this inverter to supply the motor with ac voltage. The proposed drive system is simulated using Matlab/Simulink. The simulation results were compared with the experimental results.

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