NDLI: Experimental and Analytical Approaches on JT—60SA TF Strand and TF Conductor Quality Control During Qualification and Production Manufacture Stages

Content Provider	IEEE Xplore Digital Library
Author	Zani, L. Barabaschi, P. Bruzzone, P. Cloez, H. Di Pietro, E. Fiamozzi-Zignani, C. Gros, G. Stepanov, B. Tomarchio, V. Torre, A.
Copyright Year	2002
Abstract	In the framework of the JT-60SA project, aiming at upgrading the present JT-60U tokamak, Europe as part of its in-kind contribution within the Broader Approach agreement, will provide the full Toroidal Field (TF) magnet system. For this purpose, Fusion for Energy is committed to procure about 27 km of TF conductor. The TF conductor is cable-in-conduit type and includes 486 strands (2/3 NbTi-1/3 copper) wrapped with a thin stainless steel foil and embedded into a rectangular stainless steel jacket. The procurement is split into two main contracts: one for strand manufacturing and the other for cabling and jacketing. After having successfully passed the qualification stage, strand and conductor are now in mass production stage. In the present paper, we emphasize on the scientific and quality control approaches of both TF strand and TF conductor productions. For the NbTi strand, the focus is on design and measurement of performance critical aspects (CuNi barrier design optimization, AC losses, T_CS performance, etc.). For Cu strand the main issue is RRR. For the TF conductor, the topics presented cover hydraulic correlation validation measurements (pressure drop tests), geometrical advanced controls, and electromagnetic behavior (hotspot checks and mainly the experimental results of the TF conductor full-size samples tested in SULTAN facility). The article presents comparisons of numerical simulation and experimental results used to confirm the design and the manufacturing processes.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	4200504
Ending Page	4200504
Page Count	1
File Size	236405
File Format	PDF
ISSN	10518223
Volume Number	23
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductors Production Joints Coils Superconducting magnets Qualifications Temperature measurement superconducting magnets CICC fusion JT-60SA NbTi strand
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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Completion of TF Strand Production and Progress of TF Conductor Manufacture for JT-60SA Project

Extended Quality Control Process Applied on TF Strand and TF Conductor Production for JT-60SA Project

JT-60SA TF Magnet Joints Developments and Prequalification

JT-60SA TF Magnet Industrial Manufacturing Preparation and Qualifications

JT-60SA TF Coils: Experimental Check of Hydraulic Operating Conditions

Stability Margin of NbTi CIC Conductor for JT-60SA Equilibrium Field Coil

Study of NbTi Superconducting Strands for JT-60SA Toroidal Field Coils

Design of JT-60SA Magnets and Associated Experimental Validations

Mass Production of Superconducting Magnet Components for JT-60SA

Experimental and Analytical Approaches on JT—60SA TF Strand and TF Conductor Quality Control During Qualification and Production Manufacture Stages

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