JT-60SA Magnet System Status

The JT-60SA experimental device will be the world's largest superconducting tokamak when it is assembled in 2019 in Naka, Japan (R = 3 m, a = 1.2 m). It is being constructed jointly by institutions in the EU and Japan under the Broader Approach agreement. Manufacturing of the six NbTi equilibrium field (EF) coils, which have a diameter of up to 12 m, has been completed. So far, 13 of the 18 NbTi toroidal field (TF) coils, each 7-m high and 4.5-m wide, have also been manufactured and tested at 4 K in a dedicated test facility in France. The first three of four Nb3Sn central solenoid (CS) modules have been completed, as have all of the copper in-vessel error field correction coils. Installation of the TF magnet, around the previously welded 340° tokamak vacuum vessel and its thermal shield, started at the end of 2016 and is currently underway. The TF magnet will in turn support the EF and CS coils.

[1]  L. Zani,et al.  JT-60SA superconducting magnet system , 2015 .

[2]  A. Torre,et al.  JT-60SA TF Magnet Joints Developments and Prequalification , 2012, IEEE Transactions on Applied Superconductivity.

[3]  P. Barabaschi,et al.  Recent progress of the JT-60SA project , 2017 .

[4]  G. Disset,et al.  Construction Status of the Superconducting Magnet System for JT-60SA , 2016, IEEE Transactions on Applied Superconductivity.

[5]  P. Barabaschi,et al.  Plasma regimes and research goals of JT-60SA towards ITER and DEMO , 2011 .

[6]  S. Nicollet,et al.  Starting the production of the CEA JT-60SA TF coils at Alstom , 2015 .

[7]  M. Furukawa,et al.  Development of Terminal Joint and Lead Extension for JT-60SA Central Solenoid , 2015, IEEE Transactions on Applied Superconductivity.

[8]  L. Muzzi,et al.  Conductor Design of CS and EF Coils for JT-60SA , 2008, IEEE Transactions on Applied Superconductivity.

[9]  B. Lacroix,et al.  Conceptual Design of Superconducting Magnet System for JT-60SA , 2008, IEEE Transactions on Applied Superconductivity.

[10]  Go Matsunaga,et al.  In-vessel coils for magnetic error field correction in JT-60SA , 2015 .

[11]  Yoshihiko Koide,et al.  Design of the Precompression Mechanism and Gravity Support for the Central Solenoid Assembly in the JT-60SA Tokamak , 2014, IEEE Transactions on Plasma Science.

[12]  K Kizu,et al.  Recent Progress of the Design Activity for the Poloidal Field Coil System in JT-60SA , 2010, IEEE Transactions on Applied Superconductivity.

[13]  L. Zani,et al.  Status of the JT-60SA magnet system , 2015, 2015 IEEE 26th Symposium on Fusion Engineering (SOFE).

[14]  P. Barabaschi,et al.  Progress of the JT-60SA project , 2013, Nuclear Fusion.

[15]  L Zani,et al.  Design of the JT-60SA Superconducting Toroidal Field Magnet , 2010, IEEE Transactions on Applied Superconductivity.

[16]  M. Takechi,et al.  Thermal and Mechanical Design of Error Field Correction Coil for JT-60SA , 2016, IEEE Transactions on Applied Superconductivity.

[17]  K. Kizu,et al.  Manufacture of the Winding Pack and Development of Key Parts for the JT-60SA Poloidal Field Coils , 2012, IEEE Transactions on Applied Superconductivity.

[18]  L. Zani,et al.  Completion of TF Strand Production and Progress of TF Conductor Manufacture for JT-60SA Project , 2014, IEEE Transactions on Applied Superconductivity.

[19]  P. Barabaschi,et al.  A Global Structural and Electromagnetic Finite Element Model for the Prediction of the Mechanical Behavior of the JT-60SA Superconducting Magnet System , 2012, IEEE Transactions on Applied Superconductivity.

[20]  K. Yoshida,et al.  Mechanical design of the central solenoid assembly for the JT-60SA Tokamak , 2013, 2013 IEEE 25th Symposium on Fusion Engineering (SOFE).

[21]  U. Besi Vetrella,et al.  ITER and JT-60SA Conductor Production at ICAS , 2013, IEEE Transactions on Applied Superconductivity.

[22]  K. Kizu,et al.  Construction of the Jacketing Facility and First Production Results of Superconductor for JT-60SA , 2010, IEEE Transactions on Applied Superconductivity.

[23]  V. Cocilovo,et al.  JT-60SA TF coils procured by ENEA: An intermediate assessment , 2017 .

[24]  A. Torre,et al.  JT-60SA TF Magnets Industrial Production Status at Alstom , 2016, IEEE Transactions on Applied Superconductivity.

[25]  V. Cocilovo,et al.  Qualification and preparatory activities for the manufacturing of 9 TF coils of the JT-60SA magnet , 2013 .

[26]  P Barabaschi,et al.  The JT-60SA Toroidal Field Conductor Reference Sample: Manufacturing and Test Results , 2010, IEEE Transactions on Applied Superconductivity.

[27]  S. Davis,et al.  Manufacturing of the Casing Components for the JT-60SA Toroidal Field Coils , 2016, IEEE Transactions on Applied Superconductivity.

[28]  Hasegawa Mitsuru,et al.  Fabrication and installation of equilibrium field coils for the JT-60SA , 2013 .

[29]  H. Chikaraishi,et al.  Development and Test of JT-60SA Central Solenoid Model Coil , 2014, IEEE Transactions on Applied Superconductivity.

[30]  K. Takahata,et al.  Development of Central Solenoid for JT-60SA , 2013, IEEE Transactions on Applied Superconductivity.

[31]  G. M. Polli,et al.  Status of casing manufacturing for JT-60SA toroidal field coils , 2017 .