Research on magnetostriction of grain-oriented electrical silicon-steel sheet
Author:
Bai Baodong,Wang Jiayin
Abstract
Purpose
– The magnetostriction of grain-oriented electrical silicon steel sheet is studied for the magnetic field direction along the rolling direction and deviating from it. The method of calculating the vibration of transformer is developed through COMSOL. The paper aims to discuss these issues.
Design/methodology/approach
– Measurements of signals of magnetostriction and magnetic polarization, and calculation through software.
Findings
– The angle between the magnetic field direction and the rolling direction does a great influence on magnetostriction strain.
Originality/value
– The maximum λ
p-p of transversal magnetostriction is above 30 times more than the value when the angle is 0°. The transversal magnetostriction is a main reason of vibration increasing at the corner of transformer.
Subject
Applied Mathematics,Electrical and Electronic Engineering,Computational Theory and Mathematics,Computer Science Applications
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