2024-03-29T07:08:37Z
https://soar-ir.repo.nii.ac.jp/oai
oai:soar-ir.repo.nii.ac.jp:00017829
2022-12-14T04:12:22Z
1221:1222
Estimation of Effective Permeability for Dumbbell-Shaped Magnetic Cores
Tashiro, Kunihisa
Wakiwaka, Hiroyuki
Hattori, Gen-Ya
© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Demagnetizing factor
dumbbell shape
effective permeability
magnetic concentration
magnetic core
The objective of this paper is to provide suitable approximations of effective permeability for magnetic concentration cores. This core has a dumbbell shape so that the magnetic flux is concentrated to the coil winding part of the core. It is well known that the demagnetizing factor strongly depends on the core shape, which defines the effective permeability. Although several researchers have already proposed an approximation for a dumbbell-shaped core, they did not take into account the flange part length. In this paper, a novel approximation for a dumbbell-shaped core is proposed. It is based on the demagnetizing factor and correction terms related to the aspect ratio of both the flange and coil winding part. From experimental results, the validity of the approximation is confirmed.
Article
IEEE TRANSACTIONS ON MAGNETICS. 51(1):4000304 (2015)
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
2015-01
eng
journal article
AM
http://hdl.handle.net/10091/00018598
https://soar-ir.repo.nii.ac.jp/records/17829
https://doi.org/10.1109/TMAG.2014.2359468
10.1109/TMAG.2014.2359468
0018-9464
AA00667933
IEEE TRANSACTIONS ON MAGNETICS
51
1
4000304
https://soar-ir.repo.nii.ac.jp/record/17829/files/Estimation_Effective_Permeability_Dumbbell-Shaped_Magnetic.pdf
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