Synthesis of Equivalent Circuit of Wireless Power Transfer Device Using Homogenization-Based FEM

Otomo, Yoshitsugu; Sato, Yuki; Fujita, Shogo; Igarashi, Hajime

Synthesis of Equivalent Circuit of Wireless Power Transfer Device Using Homogenization-Based FEM

Otomo, Yoshitsugu; Sato, Yuki; Fujita, Shogo et al.

IEEE Transactions on Magnetics, 2018, 54(3), 7401005

Permalink : https://hdl.handle.net/2115/68967

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アクセス権	open access
URI	https://hdl.handle.net/2115/68967
タイトル	Synthesis of Equivalent Circuit of Wireless Power Transfer Device Using Homogenization-Based FEM
著者	Otomo, Yoshitsugu ; Sato, Yuki ; Fujita, Shogo ; Igarashi, Hajime
著者名 Otomo, Yoshitsugu
著者名 Sato, Yuki
著者名 Fujita, Shogo
e-Rad_Researcher 90212737 著者名 Igarashi, Hajime
言語	英語
キーワード	Cauer circuit
	homogenization
	Litz wire
	proximity effect
	wireless power transfer (WPT)
発行日	2018-03
出版者	IEEE
収録物名	IEEE Transactions on Magnetics
巻(号)	54(3)
ページ	7401005
抄録	In this work, the multi-turn coil used in a wireless power transfer (WPT) device is modeled as a uniform material using the homogenization method to consider the proximity effect. By fitting the coil impedance to the numerical results, the Cauer equivalent circuit of the multi-turn coil is synthesized for design and optimization of the power circuits in the WPT device. It is shown that the results obtained from the equivalent circuit and measurement are in good agreement. Moreover, the impedance of a flat WPT coil composed of a Litz wire is shown to be accurately evaluated by the proposed method when contribution of capacitance is negligible.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	© 2017 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.
PISSN	0018-9464
EISSN	1941-0069
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1109/TMAG.2017.2749968