IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Influences of Flux Waveform on Magnetostriction of Silicon Steel Strip and Noise of Transformer Core
Kunihiro ShinyaKoichi Saito
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2006 Volume 126 Issue 12 Pages 1623-1628

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Abstract

The influence of flux waveform on magnetostriction of silicon steel strip and noise of transformer core are described. In the analysis the magnetostriction characteristics under a sinusoidal-flux condition are approximated by Fourie series. By the numerical analysis relations between the flux waveform and the magnetostriction waveform are obtained. The analytical results agree roughly with the experimental results, it is shown that harmonic components of magnetostriction varies depending on the flux waveform. The relation between flux waveform and noise of the core are also obtained by the experiments, it is shown that noise of the core differs depending on the flux waveform. These are mainly due to the fact that harmonic components of magnetostriction varies depending on the flux waveform.

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© 2006 by the Institute of Electrical Engineers of Japan
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