Magnetic Parameters

Bending power

òB dl = 4 Tm   (10 m track length)

Non-uniformity of òB dl

£ ± 5% in acceptance

(hor.: ±300 mrad, vert.: ±250 mrad)

Excitation current

NI = 2 x 1.3 MA

Electric power dissipation

P_e =  4.2 MW

Stored magnetic energy

W_m » 32 MJ

Inductance

L » 2 H

Coil and Current

Coil structure (two coils)

15 mono-layer pancakes per coil

Total number of turns

N = 2 x 225

Conductor material

Aluminium Al-99.7

Conductor cross-section

50 mm x 50 mm

Cooling water channel

Ø = 24 mm

Conductor length

Lc » 290 m per pancake

Current in conductor

I » 5.8 kA

Current density

s » 2.9 A/mm²

Total resistance

R = 125 mW @ 20 °C

Total voltage drop (two coils)

U » 730 V

Cooling

Cooling requirements

all pancakes in parallel

Total water flow

f » 125 m³/h

Pressure drop of cooling water

Dp » 10 bar @ DT = 30 °C

Mechanics

Steel quality of yoke

EN S235JR, (old norms: Fe360B, St37-2)

Outer yoke dimensions

hor x vert x beam:  11m x 8 m x 2.6 m

Useful wedged aperture

hor:   2.6 m ==> 4.2 m

(upstream ==> downstream)

vert:  2.2 m ==> 3.5 m

Total magnet extension in beam direct.

L_m » 5 m

Weight of yoke

M_y » 1450 ton

Weight of coils

M_c » 2 x 25 ton