Abstract
This paper describes comparative analysis of different rotor topologies of cylindrical type high-speed PMSM for automotive applications. Utilizing Ansys software, 4 types of PMSM with different rotor topologies are modeled with the same stator of 6 slots / 4 poles configuration, same rotor diameter and air gap length. Electromagnetic performances of these topologies are analyzed with FEA method approach. Analysis provides comparison of synchronous inductances, developed torque, current consumptions, output powers, core losses and efficiencies of analyzed topologies. Obtained results from this comparative analysis will be decisive for election of appropriate PMSM topology, which will then be further analyzed for mechanical and thermal properties. Final design PMSM is aimed to be capable of reaching 100 000 rpm with low losses and satisfactory efficiency, output power and torque. It is to be operated from vehicle onboard grid of DC 48 V via DC/3f-AC inverter.
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