Full Cryogenic Test of 600 A HTS Hybrid Current Leads for the LHC

For full cryogenic test of CERN 600 A high temperature superconducting (HTS) current leads prior to integration into the Large Hardron collider (LHC), a dedicated facility has been designed, constructed and operated at the University of Southampton. The facility consists of purpose-built test cryost...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2007-06, Vol.17 (2), p.2236-2239
Main Authors: Al-Mosawi, M.K., March, S.A., Beduz, C., Ballarino, A., Yang, Y.
Format: Article
Language:English
Subjects:
Accelerator technology
Applied sciences
CERN
Connection and protection apparatus
Cryogenics
current leads
Cyclic accelerators and storage rings
Design engineering
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Experimental methods and instrumentation for elementary-particle and nuclear physics
Flow rate
Fluid flow
Helium
High temperature superconductors
high temperature superconductors (HTS)
Large Hadron Collider
Nuclear physics
Physics
Protection
Protection systems
Regulation and control
Steady state
Superconductivity
System testing
Temperature control
Test facilities
Various equipment and components
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Summary:For full cryogenic test of CERN 600 A high temperature superconducting (HTS) current leads prior to integration into the Large Hardron collider (LHC), a dedicated facility has been designed, constructed and operated at the University of Southampton. The facility consists of purpose-built test cryostats, 20 K helium gas supply, helium gas flow and temperature control systems and quench protection system. Over 400 such leads have already been successfully tested and qualified for installation at CERN. This paper describes various design and operation aspects of the test facility and presents the detailed cryogenic test results of the CERN 600 A current leads, including steady state 20 K flow rates.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2007.899696