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Construction of the Jacketing Facility and First Production Results of Superconductor for JT-60SA

Construction of the Jacketing Facility and First Production Results of Superconductor for JT-60SA,10.1109/TASC.2010.2041760,IEEE Transactions on Appli

Construction of the Jacketing Facility and First Production Results of Superconductor for JT-60SA   (Citations: 3)
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In order to fabricate the central solenoid (CS) and equilibrium field (EF) coil conductors for JT-60 Super Advanced (JT-60SA), the jacketing facility of 680 m was constructed at Naka site of Japan Atomic Energy Agency. The dummy copper conductors of 10 m and superconductors of 7 m were fabricated. The attachment sleeve to connect the cable and winch wire to pull cable through a 551 m jacket in maximum was developed. The sleeve attained the 30 kN of pulling force. In order to investigate the strand damage by the edge of central spiral through compaction and bending process, the measurements of strand critical current in prototype EF conductor with bending curvature radius of 150 mm was conducted. The degradation of was not observed.
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    • ...All those results finally validated the EF-H conductor design, which was then driven to mass production phase, actually in progress [23]...
    • ...The CS conductor is made of due to operation conditions: combined middle-range maximum field required by plasma scenarios and a temperature around 5 K. The basic conductor features and operation parameters can be seen in Table VI. As regards the experimental approach, full-size short lengths were recently produced for production qualification [23] that can be used for electromagnetic samples, similarly as for EF samples...

    L. Zaniet al. Design of JT-60SA Magnets and Associated Experimental Validations

    • ...The test sample conductors are fabricated using the NbTi strands and the SS316L jacket [5], [7]...
    • ...Additionally, the Tcs results satisfied the requirements of the EF coils, therefore the conductor design andthe fabrication processaregoing well.The detailsof theTcs measurement test are reported in [6], [7], [11]...

    H. Murakamiet al. Stability Margin of NbTi CIC Conductor for JT-60SA Equilibrium Field C...

    • ...The fabrication method and compaction tool were also same as real conductor [9]...

    H. Murakamiet al. Stability and Quench Test for NbTi CIC Conductor of JT-60SA Equilibriu...

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