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Effect of Air-Gap Between a Ferrite Plate and Metal Strips on Magnetic Shielding
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- Authors
- Hyun Ho Park, Jong Hwa Kwon, Sang Il Kwak, Seungyoung Ahn
- Issue Date
- 2015-11
- Citation
- IEEE Transactions on Magnetics, v.51, no.11, pp.1-4
- ISSN
- 0018-9464
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- This paper explores the effect of an air-gap between a ferrite plate and metal strips on magnetic shielding in the presence of a periodic line current source based on an analytical solution. The Fourier transform is used to represent the magnetic vector potentials in the spectral domain, and the mode-matching technique is enforced to obtain a modal solution in rapidly converging series form, leading to numerically efficient results. Magnetic shielding effectiveness is investigated in terms of the air-gap thickness between the ferrite plate and metal strips, the metal strip width, and the position of a periodic line current source.
- KSP Keywords
- Air-gap, Analytical Solution, Current source, Magnetic shielding effectiveness, Mode matching(MM), Mode-matching technique, Numerically efficient, Strip width, fourier transform, line current, magnetic vector