Page 154 - Fundamentals of Magnetic Thermonuclear Reactor Design
P. 154
Superconducting Magnet Systems Chapter | 5 135
CCs 7 NbTi 0.73 2.3 300 37.6/38.8 86.6/89.2 35.4 14.8 × 14.8 19.2 × 19.2 steel 316LN
PF2, 3, 4 6 2.3 720 90.3/94.1 424.7/440.9 34.6 ∅35.4 51.9 × 51.9 steel 316LN
144.5/50.5 370.5/385.1 51.9 × 51.9 steel 316LN
PF5 5 2.3 1152 34.5 ∅35.4
TABLE 5.6 Characteristics of Superconducting Cables Designed for ITER Magnets
Coils
PFCs PF1, 6 4 NbTi 0.73 1.6 1440 229.3/238.8 366.8/382.1 34.7 ∅37.8 53.8 × 53.8 steel 316LN a The numerator shows the area of respective cable components for untwisted strands (with a cross-section normal to strand axis), and the denominator shows the area of
Nb 3 Sn 154/160.8 308.6/321.5 ∅32.6 49 × 49 steel JK2LB
CS 3 0.83 1.0 576 33.5
TFCs 2 Nb 3 Sn 0.82 1.0 900 235.3/242.6 508.3/524.0 29.7 ∅39.7 ∅43.7 steel 316LN respective cable components with a cross-section normal to cable axis.
Characteristics and Parameters 1 Superconductor Strand diameter (mm) Strand copper/non-copper ratio Number of strands Superconductor a cross- section (mm 2 ) Copper a cross-section (mm 2 ) Void fraction, (without central channel (%)) Cable size (mm) Jacket size (mm) and material