HTS at CERN & LHC Current Leads

Contact: Dr. Amalia Ballarino    (AT-MEI-SD)   
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Introduction
Physics of HTS
HTS materials
HTS leads
Resistive leads
Other activities
Contracts
Publications

Publications

List of main publications

First Test of Twisted-Pair HTS 1 kA Range Cables for Use in Superconducting Links, Proceedings of EUCAS 2011

First Electrical Characterization of Prototype 600 A HTS Twisted-Pair Cables at Different Temperatures, Proceedings of EUCAS 2011

Design of the HTS Current Leads for ITER, Proceedings of MT-22 (2011)

Alternative Design Concepts for Multi-Circuit HTS Link Systems, A. Ballarino, ASC 2010, IEEE Transactions on Applied Superconductivity, Vol. 21, No.3, June 2011

Design of an MgB2 Feeder System to Connect Groups of Superconducting Magnets to Remote Power Converters, A. Ballarino, EUCAS 2009, Journal of Physics: Conference Series 234 (2010) 032003

Scaling of Superconducting Switches for Extraction of Magnetic Energy, A. Ballarino and T. Taylor, IEEE Transactions on Applied Superconductivity, Vol. 20, No.3, June 2010

Conceptual Design of the LHC Interaction Region Upgrade - Phase I, The LHC upgrade team, LHC Project Report 1163, CERN, November 2008

Power Switches utilizing Superconducting Material for Accelerator Magnets,
S. A. March, A. Ballarino, Y. Yang, ASC 2008, Chicago

Commissioning of the LHC Current Leads, A. Ballarino, S. A. March, K. H. Meb, EPAC 2008, Genova

Performance of the Superconducting Corrector Magnet Circuits during the Commissioning of the LHC, The LHC commissioning team, EPAC 2008, Genova

Large-Capacity Current Leads, A. Ballarino, ISS 2007, Tsukuba

Extending the use of HTS to Feeders in Superconducting Magnet Systems,  A. Ballarino, K. H. Meb, T. Taylor, MT-20 2007, Philadelphia

Toward the Design of Power Switches utilizing HTS Material, S. A. March, A. Ballarino, C. Beduz, K. H. Meb,  Y.Yang, EUCAS 2007, Brussels

Extending the Application of HTS in Particle Accelerators, A. Ballarino, K. H. Meb, T. Taylor, EUCAS 2007, Brussels

Quench Characteristics of Ag/AuBi2223 HTS-stainless steel Stack Used for the Hybrid Current Leads of the Large Hadron Collider, M. K. Al-Mosawi, S. Avgeros, C. Beduz, Y. Yang and A. Ballarino, EUCAS 2007, Brussels

HTS Current Leads: Performance Overview in Different Operating Modes, A. Ballarino, ASC 2006, IEEE Transactions on Applied Superconductivity, Vol. 17, No. 2, June 2007

The Commissioning of the LHC Technical Systems, The LHC Hardware Commissioning Team, Proceedings of PAC 2007

Large Scale Assembly and Characterization of Bi-2223 HTS Conductors, A. Ballarino, L. Martini, S. Mathot, T. Taylor and R. Brambilla, Proceedings of ASC 2006, August 2006, Seattle

Full Cryogenic Test of 600 A HTS Hybrid Current Leads for the LHC, M.K. Al-Mosawi, S.A. March, C. Beduz, A. Ballarino and Y. Yang, Proceedings of ASC 2006, August 2006, Seattle

Cryogenic Test of High Temperature Superconducting Current Leads at ENEA, Advances in Cryogenic Engineering: Transactions of the Cryogenic Engineering Conference, Vol. 51, 2006

DC and AC Electrical Characterization of Stacks of HTS Tapes, S. Ginocchio, A. Ballarino, E. Perini, S. Zanella, Proceedings of ASC 2006, August 2006, Seattle

HTS in the LHC & in the LHC Upgrades, A. Ballarino, WAMDO Workshop, CERN, April 2006

Conduction-cooled 60 A resistive current leads for the LHC dipole correctors, A. Ballarino, LHC Project Report 691, March 2004

13000 A HTS Current Leads for the LHC Accelerator: from Conceptual Design to Prototype Validation, A.Ballarino, S.Mathot, D.Milani, Proceedings of EUCAS 2003, September 2003, Sorrento, Italy

Effect of fast neutron irradiation on transport properties of HTS materials, T.Taylor, A.Ballarino, A. Ryazanov et al, Proceedings of EUCAS 2003, September 2003, Sorrento, Italy

First Results and Status of the LHC String 2, The String 2 Team, Proceedings of EPAC 2002

HTS Current Leads for the LHC Magnet Powering System, A.Ballarino, Physica C 372-376 (2002) 1413-1418, Invited Paper at the EUCAS 2001 Conference, August 2001, Lyngby, Denmark

Current Leads for the LHC Magnet System, A.Ballarino, Invited Paper at the 17th International Conference on Magnet Technology, 24-28 September 2001, Geneva, Switzerland

Application of High Temperature Superconductors to Accelerators, A.Ballarino, Invited Paper at the Seventh European Particle Accelerator Conference, 26-30 June 2000, Vienna, Austria

High Temperature Superconducting Current Leads for the Large Hadron Collider, A.Ballarino, Presented at 4th European Conference on Applied Superconductivity, Sitges, Spain, September 1999, LHC Project Report 337

120 A Current Leads for the DFBs, A.Ballarino, Engineering Specification, LHC Project Document No. LHC-DFL-ES-0002,January 2005

LHC HTS Current Leads, A.Ballarino, Functional Specification, LHC Project Document No. LHC-DFL-ES-0001,July 2003

IT-2901/AT/LHC, A.Ballarino, Technical Specification for the Manufacture and Supply of Assemblies of 60 A Resistive Current Leads for the LHC Dipole Corrector Magnets, LHC Project Document No. LHC-DFLD-CI-0001, June 2002

IT-3143/AT/LHC, A.Ballarino, Technical Specification for the Manufacture and Supply of HTS BSCCO 2223 Ag-Au Tape, LHC Project Document No. LHC-DFLHT-CI-0001, March 2003

IT-3168/AT/LHC, A.Ballarino, Technical Specification for the Manufacture and Supply of 13000 A HTS Current Leads, LHC Project Document No. LHC-DFLA-CI-0001, September 2003

IT-3303/AT/LHC, A.Ballarino, Technical Specification for the Cryogenic Testing of HTS Current Leads, LHC Project Document No. LHC-DFL-CI-0005, March 2004 

IT-600A, A.Ballarino, Technical Specification for the Manufacture and Supply of assemblies of 600 A HTS Current Leads, LHC Project Document No. LHC-DFLB-CI-0001, June 2004

IT-6000A, A.Ballarino, Technical Specification for the Manufacture and Supply of 6000 A HTS Current Leads, LHC Project Document No. LHC-DFLC-CI-0002, June 2004

DO-21889, A.Ballarino, Technical Specification for the Manufacture and Supply of Assemblies of 120 A Current Leads for the LHC Dipole Corrector Magnets, LHC Project Document No. LHC-DFL-CI-0001, May 2004

last changed: 2011-12-16 webmaster: Amalia Ballarino