D R A F T - 16-Jan-2006
WBS 1.1 MAGNET SYSTEM

Superconductors in NbTi for PF Coils

Procurement Package 1.1-6C
"Poloidal Field Magnet Conductors "
ITER Cost 2001 for Sharing: 74.25 kIUA
Sharing: China = 69%; EU = 13%; Russia = 18%
Function, Scope of Supply:

The superconductors allow to produce the PF coils satisfying the requirements in terms of magnetic field. The PF coils use NbTi cable in a steel square jacket. Different conductor designs are used depending on the field level. The total quantities are about 18 km for PF1 and PF6, 32.5 km for PF2, PF3 and PF4 and 11.5 km for PF5. A few hundred meters of NbTi conductor are also required for the coil feeders.

Description, Technologies :

The supply involves the following main technical activities:
- production of superconducting strand (NbTi)
- performance of cabling work
- production of extruded square jacket sections
- butt welding of jacket sections
- jacketing the cable using the pull-through / roll-down technique

Main EIDI Activities Codes
60600
LOW TEMPERATURE MATERIALS
50100
SUPPLY OF RAW MATERIALS
50900
SPECIALIZED MANUFACTURING TECHNIQUES