Mode-filtering analysis of space and time harmonic wave components of magnetic fields in rotating machinery

We propose a new method for analysis of the harmonic wave components of magnetic fields in rotating machinery. Using the magnetic permeability obtained by transient analysis of the nonlinear magnetic field, the harmonic wave components of the magnetic field are individually calculated in the spaces...

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Bibliographic Details
Published in:Electrical engineering in Japan 2010-07, Vol.172 (2), p.55-63
Main Authors: Miyata, Kenji, Ide, Kazumasa, Shima, Kazuo
Format: Article
Language:English
Subjects:
Electrical engineering
finite element method
Harmonics
magnetic field analysis
Magnetic fields
Magnetic permeability
Mathematical analysis
Rotating machinery
space harmonic wave
Stators
time harmonic wave
Transient analysis
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Summary:We propose a new method for analysis of the harmonic wave components of magnetic fields in rotating machinery. Using the magnetic permeability obtained by transient analysis of the nonlinear magnetic field, the harmonic wave components of the magnetic field are individually calculated in the spaces of both the rotor and stator subject to the boundary condition that the harmonic wave components obtained by the transient analysis are set on the sliding surface. Mode separation of the magnetic field will contribute to research on reducing harmful harmonic wave components for rotating machinery. © 2010 Wiley Periodicals, Inc. Electr Eng Jpn, 172(2): 55–63, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20951
ISSN:0424-7760
1520-6416
DOI:10.1002/eej.20951