Modeling of Flux Leakage in a Magnetic Circuit with Permanent Magnet
- Modeling of Flux Leakage in a Magnetic Circuit with Permanent Magnet
- 김승종; 김우연; 이종민; 배용채
- Magnetic Circuit; Flux Leakage; Permanent Magnet Model; Fringing Effect; 자기 회로; 누설 자속; 영구자석 모델; 프린징 효과
- Issue Date
- VOL 21, NO 2, 99-105
- 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 %.
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