NDLI: Experimental Tests on a Superconducting Fault Current Limiter Using Three-Strand <formula formulatype=inline><tex Notation=TeX>$hbox{MgB}

Content Provider	IEEE Xplore Digital Library
Author	Xiaoze Pei Smith, A.C. Husband, M. Rindfleisch, M.
Copyright Year	2002
Abstract	Magnesium diboride (MgB₂) in simple round wire form has shown significant potential to be a low-cost resistive superconducting fault current limiter (SFCL). The commercial exploitation of MgB₂ SFCLs for typical distribution network voltages requires a considerable scale-up of the current-carrying capability of MgB₂ wire. The two obvious options to achieve this are to increase the wire size and use multifilament wire and/or use multiple wire strands. This paper assesses the current capacity for multi-strand wire and presents results of initial tests on a three-strand MgB₂ demonstrator SFCL coil. Three strands of monofilament MgB₂ wire were braided together to form a single multi- strand wire. The wire was fabricated, wound on a ceramic former and heat treated by Hyper Tech Research, Inc. One of the key performance aspects of this type of wire arrangement is ensuring each strand of wire carries the same current. This paper demonstrates the potential for increasing the current capacity of SFCL using multi-strand MgB₂ wire to that required for distribution network levels. The paper includes a detailed analysis of the results and the implications for the practical design of commercial SFCLs.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	5600405
Ending Page	5600405
Page Count	1
File Size	1149270
File Format	PDF
ISSN	10518223
Volume Number	22
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wires Coils Inductance Superconducting filaments and wires Impedance Electric potential Fault current limiters superconducting fault current limiter Cryogenics ${\rm MgB}_{2}wire$ ${\rm MgB}_{2}$ multi-strand
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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