Modeling of Thermal Calculation of Induction Motors and Line Start Permanent Magnet Motors

This paper introduces a thermal model for both induction motors and permanent magnet motors by FEM analytical, simulation and experimental methods. The input parameters of induction motor in this model are geometry parameters and working conditions. A Motor-CAD program is used to calculate temperature distribution in stator and rotor cores. An experimental and test hardware has been applied to an electric motor of 11kW-1500 rpm. The simulation method is also for three phase - small power induction and permanent magnet motors. The simulation and test results are in good agreement. From these methods, the paper has shown that theoretical results and comparison of simulation and experimental results are in good agreement. The test procedures have been carried out by IEC 6300-34-1 for incdution motors and line start permannet magnetic motors