NDLI: The Effect of Bobbin Material on the Thermal Stability of a Conduction-Cooled HTS Racetrack Coil

Content Provider	IEEE Xplore Digital Library
Author	Oh Jun Kwon Dong Gyu Yang Jongseok Lee Jung-Bin Song Jiho Lee Tae Kuk Ko Haigun Lee
Copyright Year	2002
Abstract	The quench and recovery characteristics of two GdBCO-coated conductor racetrack coils, one wound onto a high-strength aluminum (AL 6061-T6) bobbin and the other wound onto an oxygen-free high-conductivity (OFHC) copper bobbin, were evaluated to investigate the effect of bobbin material on the thermal stability of the HTS racetrack coil. The test results show that the minimum quench energy values of the coil wound onto the OFHC copper bobbin were larger than those of the coil wound onto the AL 6061-T6 bobbin. Furthermore, in the case of the coil wound onto the OFHC copper bobbin, the voltage signals increased more slowly compared to the coil wound onto the AL bobbin, and the recovery time was much shorter after a hot spot was generated by a heater. Overall, the coil wound onto the OFHC copper bobbin exhibited better thermal stability due to its superior thermal diffusivity.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	5
Page Count	5
File Size	838890
File Format	PDF
ISSN	10518223
Volume Number	24
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Thermal stability Copper High-temperature superconductors Thermal conductivity Wounds thermal stability Bobbin material high-temperature superconducting (HTS) racetrack coil quench and recovery characteristic
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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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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