NDLI: Quench Propagation in Helium-Gas-Cooled MgB <sub>2</sub> Cables

Content Provider	IEEE Xplore Digital Library
Author	Giannelli, S. Montenero, G. Ballarino, A.
Copyright Year	2002
Description	The Superconducting Link project at CERN aims at developing helium-gas-cooled high-current electrical transfer lines for the powering of the superconducting magnets, which are being developed in the framework of the High-Luminosity upgrade of the Large Hadron Collider. A candidate conductor for the cables is magnesium diboride (MgB ₂) round wire operated at temperatures of up to 25 K. One of the most important factors to be taken into account during the design phase is quench protection. In this work, we investigate the quench behavior of high-current cables made of MgB ₂. The wires were produced by Columbus Superconductors. The cables are operated in the Superconducting Link Test Station at CERN, which are cooled by helium gas at temperatures between 10 and 30 K. The propagation of the quench front is monitored by means of voltage and temperature sensors installed on the cables. Results of the measurements are compared to numerical simulations, in order to validate the models and quantify the parameters related to quench propagation and protection. The ultimate goal is to devise a quench protection strategy suitable for the safe and reliable operation of the Superconducting Link circuits.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	5
Page Count	5
File Size	1125001
File Format	PDF
ISSN	10518223
Volume Number	26
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Superconducting cables Current measurement Temperature sensors Power cables Critical current density (superconductivity) Heating High-Luminosity LHC MgB2 cables quench MQE NZPV Superconducting Links superconducting links High-luminosity LHC MgB 2 cables minimum quench energy (MQE) normal zone propagation velocity (NZPV)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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