Key words: modeling, automation system, electric drive, frequency converter, AC motor.
In this article the automation system, including low-voltage frequency converter, step-up and step-down transformers, sine-wave filter on the output of the frequency converter and the smoothing mains reactor to control the high-voltage induction motor is examined. A mathematical model of the automation system is developed on the basis of the differential equations system (SDE). Program model of the automation system is developed for the study of transient processes.
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