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Induction motor modeling using COMSOL multiphysics

This paper presents a time-dependent simulation of three-phase squirrel cage induction motor using COMSOL Multiphysics software. Simulation was made for constant rotational velocity adjusted to the nominal one of the tested motor. The course of stator currents, currents in rotor bars and in rotor ring and course of motor torque is shown. Finite element method model, external electrical circuits and meshing is also shown. The values of stator current and motor torque are compared to their values from motor catalogue. As will be seen, the simulation results from COMSOL match the catalogue values rather well.