NDLI: Design and First Tests of a 800 kJ HTS SMES

Content Provider	IEEE Xplore Digital Library
Author	Tixador, P. Bellin, B. Deleglise, M. Vallier, J.C. Bruzek, C.E. Allais, A. Saugrain, J.M.
Copyright Year	2002
Abstract	The SMES is an interesting way for a large power pulsed source. High critical temperature superconductors have brought the possibility to operate at higher temperatures when compared to conventional NbTi SMES. This makes cryogenics easier, enhances the coil stability and improves the power. In a context of a DGA (Delegation Generale pour l'Armement) project, we have fully designed and partly constructed a 800 kJ SMES. The coil is wound with Nexans Bi-2212 PIT conductor made of 3 or 4 PIT tapes soldered in parallel depending on the magnetic flux density. At some locations the conductor is reinforced by a stainless steel tape. The conductor is isolated with Kapton. The coil consists in 26 superposed simple pancakes wound and glued on cut and epoxy coated copper plates. The rated current is 315 A for an energy of 814 kJ. The external diameter of the coil is 814 mm and its height 222 mm. The maximum magnetic flux densities are 5.2 T and 2.5 T respectively in axial and radial directions. The cooling at 20 K is only performed by conduction from a cryocooler to make cryogenics very friendly and transparent for the SMES users. The SMES design and construction are presented as well as the first tests with 10 pancakes. The first cooling down was successful and the thermal system worked as designed. 6 pancakes carry 300 A without any voltage.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1967
Ending Page	1972
Page Count	6
File Size	1514134
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	Testing High temperature superconductors Samarium Coils Conductors Cryogenics Wounds Magnetic flux density Cooling Superconductivity superconductors SMES
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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