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Multiphysics Design of a Wound Field Synchronous Machine with Magnetic Asymmetry

  • In this paper a multiphysics development method is used for designing a novel wound field synchronous machine of the future generation of high voltage traction drives. This method covers the domains of electromagnetics, the mechanical strength, thermal behavior and the magnetic noise. It is shown that the proposed novel asymmetric design with a circular flux barrier in combination with an asymmetric pole offset is fulfilling the requirements according to performance and torque ripple. A fatigue strength rotor mechanic concept is included. A hybrid cooling concept consisting of a water jacket cooled stator and air cooled rotor ensures the needed continuous power. Unacceptable noise levels are excluded by investigating the equivalent radiated power (ERP) level due to radial forces in the air gap. Finally, the multi-physical workflow resulted in a fully developed component with a high degree of maturity.

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Metadaten
Author:Dominik Grauvogl, Peter Stauder, Bernhard Hopfensperger, Dieter Gerling
DOI:https://doi.org/10.1109/IEMDC47953.2021.9449564
Parent Title (English):Proceedings of the 2021 IEEE International Electric Machines & Drives Conference (IEMDC): 17-20 May 2021, Hartford, CT, USA
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2021
Release Date:2022/05/06
Tag:air cooling; cooling concept; fatigue limit; flux barrier; wound field synchronous machine
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Labor Elektrische Maschinen und Antriebstechnik
Begutachtungsstatus:peer-reviewed
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG