Generation of PWM Signals for Full Range Speed Control of Three –phase Induction Motor Simulation by Using a Computer
Keywords:
PWM signals, three –phase induction, motor simulationAbstract
The principle operation of speed control systems is depended upon a wide range of generated frequencies a microprocessor was used to generate PWM or a six-steps modulated signal to maintain a constant voltage/frequency ratio. Because of speed computation limitations found in many available microcomputers previously, it was concluded that the on-line computation of switching patterns was not practical. The control and monitoring by using PC is more efficient and active.
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