Analysis of Heat Load, Current Margin and Current Nonuniformity in ITER PF Coil Joints

The poloidal field (PF) magnet system of the International Thermonuclear Experimental Reactor (ITER) consists of six pulsed coils. Each coil comprises independent modules connected to each other through "shaking hands" joints. In the paper the results of the analysis of the electro-magneti...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2013-06, Vol.23 (3), p.4201405-4201405
Main Authors: Rolando, G., van Lanen, E., van Nugteren, J., Offringa, W., ten Kate, H. H. J., Ilin, Y., Lim, B., Simon, F., Nijhuis, A.
Format: Article
Language:English
Subjects:
Applied sciences
Cables
CICC
Coiling
Coils
Couplings
Critical current
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electromagnets
Electronics
Exact sciences and technology
Fusion
ITER
JackPot-AC
joint
Joints
Magnetic devices
Magnetic fields
Nonuniformity
Orientation
PF coil
Plasmas
Power cables
Power dissipation
Reactors
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Shaking
Studies
Superconductivity
Various equipment and components
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Summary:The poloidal field (PF) magnet system of the International Thermonuclear Experimental Reactor (ITER) consists of six pulsed coils. Each coil comprises independent modules connected to each other through "shaking hands" joints. In the paper the results of the analysis of the electro-magnetic and thermal performance of the joints during the ITER 15 MA plasma scenario are presented. Of special concern is the radial magnetic field component that is particularly high close to the upper and lower edges of the coils. Moreover, the orientation of the joints in the PF coils is such as to give scope to large current loops between the two cables, which could potentially reduce the temperature and current margins to critical levels. The study has been carried out with the code JackPot-AC, which has been recently upgraded to allow a strand-level detailed analysis of lap-type joints.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2012.2236131