Measurement and Modeling of 2-D Magnetostriction of Nonoriented Electrical Steel

Somkun, Sakda, Moses, Anthony John and Anderson, Philip Ian 2012. Measurement and Modeling of 2-D Magnetostriction of Nonoriented Electrical Steel. IEEE Transactions on Magnetics 48 (2) , pp. 711-714. 10.1109/TMAG.2011.2173302

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Abstract

Magnetostriction of nonoriented electrical steel was measured under rotating flux magnetization conditions which occur in AC electrical machine stator cores, and compared with the magnetostriction calculated from a model based on a mechanical elasticity analogy. Shear magnetostriction and magnetostriction perpendicular to the magnetization direction are accounted for in the model which leads to an accurate representation of magnetostriction throughout the electrical steel lamination plane. This has the potential for improving the accuracy of stator core deformation and vibration calculations.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords:	2-D magnetization , Electrical machine cores , electrical steels , magnetic anisotropy , magnetostriction
Publisher:	IEEE
ISSN:	0018-9464
Last Modified:	04 Jun 2017 03:42
URI:	http://orca-mwe.cf.ac.uk/id/eprint/25258

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