Reduction of Power Transformer Core Noise Generation due to Magnetostriction Induced Deformations using Fully Coupled Finite Element Modeling Optimization Procedures - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Magnetics Année : 2017

Reduction of Power Transformer Core Noise Generation due to Magnetostriction Induced Deformations using Fully Coupled Finite Element Modeling Optimization Procedures

Résumé

This work focuses on the development of an algorithm for the prediction of transformer core deformation, using a fully coupled magneto-mechanical approach. An imposed magnetic flux method coupled with finite element modeling is employed for the magnetic resolution. The constitutive law of the material is considered with a simplified multi-scale model (SMSM) describing both magnetic and magnetostrictive anisotropies. Magnetostriction is introduced as an input free strain of a mechanical problem to get the deformation and displacement fields. A 3D estimation of acoustic power is carried out to evaluate the global core deformation and acoustic noise level. The numerical process is applied to a three-phase transformer made of Grain Oriented (GO) FeSi core, leading to a set of noise estimation for different flux excitations and core geometries.
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Dates et versions

hal-01530911 , version 1 (01-06-2017)

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Mingyong Liu, Olivier Hubert, Xavier Mininger, Frédéric Bouillault, Laurent Bernard, et al.. Reduction of Power Transformer Core Noise Generation due to Magnetostriction Induced Deformations using Fully Coupled Finite Element Modeling Optimization Procedures. IEEE Transactions on Magnetics, 2017, pp.1 - 1. ⟨10.1109/TMAG.2017.2687409⟩. ⟨hal-01530911⟩
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