NDLI: 3D FEM Analysis of Effect of Current Distribution on AC Loss in Shield Layers of Multi-Layered HTS Power Cable

Content Provider	IEEE Xplore Digital Library
Author	Miyagi, D. Iwata, S. Takahashi, N. Torii, S.
Copyright Year	2002
Abstract	By modeling spirally wound superconducting tapes as conductors having an anisotropic conductivity and using the periodic boundary condition, the analysis region is considerably reduced in 3D edge-based hexahedral FEM analysis. By using this model, the AC transport characteristics of the co-axial five-layer cables (composed of three conductor layers and two shield layers) are studied, and the effect of current distribution among layers on AC loss in shield layers is investigated. It is possible to control the current distribution in the shield layers by adjusting the twist pitches of shield layers. It is shown that the uniform current in each layer dose not give the minimum AC loss and the current should flow in the inner shield layer in order to reduce the AC loss of shield layers.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1696
Ending Page	1699
Page Count	4
File Size	568023
File Format	PDF
ISSN	10518223
Volume Number	17
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current distribution High temperature superconductors Power cables Conductors Wounds Superconducting films Anisotropic magnetoresistance Conductivity Boundary conditions Superconducting cables 3D finite element method AC loss co-axial multi-layered HTS cable current distribution shield layer
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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