DocumentCode
722102
Title
Fault detection of irreversible demagnetization based on space harmonics according to equivalent magnetizing distribution
Author
Kang, D. ; Kim, H. ; Hur, J.
Author_Institution
Electr. Eng., Univ. of Ulsan, Ulsan, South Korea
fYear
2015
fDate
11-15 May 2015
Firstpage
1
Lastpage
1
Abstract
In this study, we performed structural and mathematical modeling by using the method of space harmonics in accordance with magnetization conditions of the irreversible demagnetization. Based on the proposed modeling method, we calculated the equivalent magnetizing distribution and the back electric motive force (BEMF) under the demagnetization condition. Finally, we analyzed harmonic components for irreversible demagnetization through the fast Fourier transform (FFT) analysis of the BEMF.
Keywords
demagnetisation; electric potential; fast Fourier transforms; fault diagnosis; magnetisation; back electric motive force; equivalent magnetizing distribution; fast Fourier transform analysis; fault detection; irreversible demagnetization; mathematical modeling; space harmonics method; structural modeling; Demagnetization; Harmonic analysis; Magnetic flux; Magnetization; Mathematical model; Permanent magnet motors; Permanent magnets;
fLanguage
English
Publisher
ieee
Conference_Titel
Magnetics Conference (INTERMAG), 2015 IEEE
Conference_Location
Beijing
Print_ISBN
978-1-4799-7321-7
Type
conf
DOI
10.1109/INTMAG.2015.7157410
Filename
7157410
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