Rotors of high-speed electrical machines are subject to high static and cyclic mechanical loads which influence the operational machine behavior due to magnetic deviation. Therefore, it is essential to study the detailed mechanical stress distribution inside the rotor. This allows a better understanding of the electrical machine's behavior for high-speed applications. This knowledge can be used for a better electrical machine design. In this paper, a measurement approach is presented to study the mechanical stress distribution caused by mechanical static and cyclic loads inside a high-speed PMSM rotor. For analyzing the stress distribution, the rotor deformation is measured which leads to a deformation characteristic dependent on material and magnet arrangement. Furthermore, the deformation of cyclically loaded specimens is studied.
Static and cyclic mechanical loads inside the rotor lamination of high-speed PMSM
01.12.2017
431211 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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