Title: Comparison of induction machine stator vibration spectra induced by reluctance forces and magnetostriction
Authors: Delaere, Koen ×
Heylen, Edward
Belmans, Ronnie
Hameyer, Kay #
Issue Date: Mar-2002
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Transactions on Magnetics vol:38 issue:2 pages:969-972
Abstract: For rotating electric machines, the reluctance forces (Maxwell stresses) acting on the stator teeth are a major cause of noise emission. Next to the reluctance forces, magnetostriction is a potential cause of additional noise from electric machines. First, a thermal stress analogy is used to introduce magnetostriction in the finite-element framework. Next, we present the computation and comparison of the stator vibration spectra caused by these two effects separately, by example of a 45-kW induction machine. Moreover, two kinds of magnetostriction characteristics of the stator yoke material are compared: a quadratic A (B) curve and a A (B) curve with zero-crossing around 1.5 Tesla.
ISSN: 0018-9464
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - ELECTA, Electrical Energy Computer Architectures
Production Engineering, Machine Design and Automation (PMA) Section
× corresponding author
# (joint) last author

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