Modeling of Flux Leakage in a Magnetic Circuit with Permanent Magnet

Title
Modeling of Flux Leakage in a Magnetic Circuit with Permanent Magnet
Authors
김승종김우연이종민배용채
Keywords
Magnetic Circuit; Flux Leakage; Permanent Magnet Model; Fringing Effect; 자기 회로; 누설 자속; 영구자석 모델; 프린징 효과
Issue Date
2011-02
Publisher
한국소음진동공학회논문집
Citation
VOL 21, NO 2, 99-105
Abstract
The magnetic circuit analysis excluding flux loss and fringing effect often gives a result with unignorable error, when compared with real system. But, it is not easy to make a complete magnetic circuit model with the loss effects. This paper introduces a relatively simple method to build the model including the flux loss and fringing effect, in which the paths of leaked flux are simplified in terms of circular arcs and straight lines. After modification of the model, the error of about 36 % in maximum between the magnetic circuit analysis and FEM analysis is reduced to about 7 %.
URI
http://pubs.kist.re.kr/handle/201004/39475
ISSN
1598-2785
Appears in Collections:
KIST Publication > Article
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