Modeling of AC Induction Motor Based on Saber and Time-Domain Simulation Study for Its Drive System

This paper chooses the AC induction motor drive system as the main subject and conducts research of its electromagnetic compatibility (EMC). First of all, the high-frequency common-mode model of ac induction motor model was established. Secondly, the mechanism and coupling paths of the drive system electromagnetic interference (EMI) were analyzed. Focused from inverter circuit structure optimization and control strategy optimization, the measures to restrain the interference were put forward. Lastly, equivalent circuit modeling and simulation of the drive system based on saber were carried out, and the simulation results verified the circuit structure optimization and the control strategy optimization for electromagnetic interference suppression.