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Sensors 2016, 16(4), 553; doi:10.3390/s16040553

An Anisotropic Model for Magnetostriction and Magnetization Computing for Noise Generation in Electric Devices

1
Sorbonne universités, Université de Technologie de Compiègne (UTC) Laboratoire Roberval (CNRS UMR7337), 60203 Compiègne Cedex, France
2
Sorbonne universités, UTC Laboratoire Electromécanique de Compiègne (EA1006), 60203 Compiègne Cedex, France
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N Passaro
Received: 12 January 2016 / Revised: 8 April 2016 / Accepted: 13 April 2016 / Published: 16 April 2016
View Full-Text   |   Download PDF [2374 KB, uploaded 16 April 2016]   |  

Abstract

During the manufacturing process and use of ferromagnetic sheets, operations such as rolling, cutting, and tightening induce anisotropy that changes the material’s behavior. Consequently for more accuracy in magnetization and magnetostriction calculations in electric devices such as transformers, anisotropic effects should be considered. In the following sections, we give an overview of a macroscopic model which takes into account the magnetic and magnetoelastic anisotropy of the material for both magnetization and magnetostriction computing. Firstly, a comparison between the model results and measurements from a Single Sheet Tester (SST) and values will be shown. Secondly, the model is integrated in a finite elements code to predict magnetostrictive deformation of an in-house test bench which is a stack of 40 sheets glued together by the Vacuum-Pressure Impregnation (VPI) method. Measurements on the test bench and Finite Elements results are presented. View Full-Text
Keywords: anhysteretic; magnetostriction; magnetization; anisotropy; transformer; finite elements; vibration; noise anhysteretic; magnetostriction; magnetization; anisotropy; transformer; finite elements; vibration; noise
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Mbengue, S.S.; Buiron, N.; Lanfranchi, V. An Anisotropic Model for Magnetostriction and Magnetization Computing for Noise Generation in Electric Devices. Sensors 2016, 16, 553.

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