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An integrated traction drive with a high speed surface permanent magnet external rotor motor for electric vehicles
Ist Teil von
2023 IEEE Energy Conversion Congress and Exposition (ECCE), 2023, p.4140-4146
Ort / Verlag
IEEE
Erscheinungsjahr
2023
Quelle
IEL
Beschreibungen/Notizen
This work presents the detailed design of an outer rotor motor and integrated drive for passenger electric vehicles. The motor uses non-heavy rare earth permanent magnets and operates at a top speed of 20,000rpm. In-slot ceramic heat exchangers are utilized for the cooling of the windings. The external rotor configuration of the motor leaves a significant amount of space in the stator bore, which is leveraged for the integration of the power electronics. A high speed external rotor motor creates a number of mechanical, thermal and assembly challenges and this work presents detailed thermal, mechanical and rotordynamics analysis.