|
FEL Beam Dynamics Group - Magnet Package (Dipole)
|
Schematic view of the Magnet Package, the BPMs and the Current Leads.
|
| |
|
Parameters of the cold superconducting dipole magnet
|
|
Dipole Magnet
|
|
inner
|
outer
|
|
Winding type
|
|
cos-Θ
|
cos-Θ
|
|
Inner diameter
|
[mm]
|
83.6
|
88.5
|
|
Outer diameter
|
[mm]
|
85.66
|
90.56
|
|
Nominal current
|
[A]
|
50
|
50
|
|
Nominal field
|
[T]
|
0.04
|
0.04
|
|
Magnetic length
|
[mm]
|
197.5
|
197.5
|
|
Number of turns
|
|
33
|
34
|
|
Wire diameter
|
[mm]
|
0.7⁄1.03
|
0.7⁄1.03
|
|
Copper to superconductor
|
|
1.8
|
1.8
|
|
RRR
|
|
100
|
100
|
|
Filament diameter
|
[µ]
|
20
|
20
|
|
Twist pitch
|
[mm]
|
25
|
25
|
|
Iron yoke length
|
[mm]
|
140
|
140
|
|
Coil length
|
[mm]
|
230
|
230
|
|
Self inductance
|
[mH]
|
0.62
|
0.73
|
|
Integrated field at 50 A
|
[T⁄m]
|
0.0079
|
0.0079
|
|
Integrated b3 at 50 A
|
10-4×b1 at 30 mm
|
4.14
|
-12.66
|
|
Integrated b5 at 50 A
|
10-4×b1 at 30 mm
|
119
|
14
|
|
Integrated field, dipole & Quadrupole at 50 A
|
[T⁄m]
|
0.0069
|
0.0068
|
|
Saturation at 50 A
|
[%]
|
13
|
14
|
|
|
|
|