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This paper deals with the analysis for the irreversible demagnetization characteristics of a ferrite-type permanent magnet in the line-start motor using the two-dimensional finite-element method (2-D FEM). The demagnetizing currents are calculated from the transient analysis in the combination voltage equation with mechanical dynamic equation, and peak currents are applied to the irreversible demagnetization analysis computed by 2-D FEM. The nonlinear characteristic of the magnetic core is considered as well as that of a permanent magnet on the B-H curve in the analysis of irreversible demagnetization.
Published in:
Magnetics, IEEE Transactions on
(Volume:39
,
Issue:
3
)
Date of Publication: May 2003
- Page(s):
- 1488 - 1491
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 7630905
- Digital Object Identifier :
- 10.1109/TMAG.2003.810330
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 13 May 2003
- Issue Date :
- May 2003
- Sponsored by :
- IEEE Magnetics Society
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