NDLI: Current Estimation of an HTS BSCCO Magnet Having Multiple Power Sources Based on the Field Dependent <formula formulatype=inline><tex Notation=TeX>$E{hbox{

Content Provider	IEEE Xplore Digital Library
Author	Myunghun Kang Myunghwan Koo Heejoon Lee Gueesoo Cha
Copyright Year	2002
Abstract	Due to the anisotropy of a tape-shaped HTS wire, the method to determine the operating current of an HTS magnet needs to be different from that of a LTS magnet. This paper presented estimation of the critical current of pancake windings excited by multiple power sources. Critical currents were determined by using field dependent E-J relation. A new method to define the magnetic field of the HTS wire has been proposed in this paper. Calculated critical currents of pancake windings were compared with measured ones of the HTS BSCCO magnet consisting of 10 pancake windings. Effects of multiple power excitation on the increment of the central magnetic field has been also described. Test results showed the estimated critical currents of pancake windings agreed well with that of measured ones and the central magnetic field was increased at multiple power excitation by 28.4% comparing with that of single power excitation.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1257
Ending Page	1261
Page Count	5
File Size	579770
File Format	PDF
ISSN	10518223
Volume Number	19
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	High temperature superconductors Bismuth compounds Magnetic field measurement Magnetic anisotropy Perpendicular magnetic anisotropy Critical current Wire Current measurement Anisotropic magnetoresistance Testing pancake winding $E{\hbox{–}}J$ relation HTS BSCCO magnet multiple power excitation
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Design Method of a High Field HTS Magnet Consisting of Pancake Windings Having Different Current in Each Pancake Winding

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