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Reduction of Eddy Current Loss in Rectangular Coils Using Magnetic Shield: Analysis With Homogenization Method

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/74693

Title: Reduction of Eddy Current Loss in Rectangular Coils Using Magnetic Shield: Analysis With Homogenization Method
Authors: Fujita, Shogo Browse this author
Igarashi, Hajime Browse this author →KAKEN DB
Keywords: Complex permeability
homogenization method
magnetic shield
proximity effect
rectangular coil
Issue Date: Jun-2019
Publisher: IEEE (Institute of Electrical and Electronics Engineers)
Journal Title: IEEE Transactions on Magnetics
Volume: 55
Start Page: 7000604
Publisher DOI: 10.1109/TMAG.2019.2907686
Abstract: Rectangular coils have been widely used in rotating machines and transformers because of high space factor and low dc resistance. However, eddy current losses due to skin and proximity effects in the rectangular coils cannot be ignored, especially when carrier harmonic increases. The eddy current loss due to the proximity effect would be effectively reduced by shielding the coils with a magnetic thin layer. In this paper, a method for homogenization-based analysis of a magnetically shielded rectangular coil is proposed. It is shown by the proposed method that the ac-resistance of a motor winding can be effectively reduced by introducing the magnetic shield.
Rights: © 2019 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.
Type: article (author version)
URI: http://hdl.handle.net/2115/74693
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 五十嵐 一

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