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Tune

Trim quads MQT, 1 F & 1 D family per arc, 8 magnets per family
Nominal gradient 120 T/m, 550A
Magnetic length 0.32 m
MAD ... delta Qh of + 0.005 requires delta QTF (using all families) 0.12 A, delta QTD -0.025A,
similar of course for a delta Qy,

Excel - courtesy Freddy Bordry

Tune quadrupole

QTF and QTD

32 circuits

QTF : beam 1 and beam 2 ; one per arc => 16 circuits

QTD : beam 1 and beam 2 ; one per arc => 16 circuits

Each circuit: eight magnets in series

Converter

�

600

Imax (A) �

10

Umax (Volt)

Lcircuit

0.248

H

Rcircuit

0.0083

Ohm

Ucollision

4.98

V

Time_constant

29.88

s

f open_loop_B

0.0053

Hz

5.3

mHz

Large signal

dI/dtmax

20

A/s

Umax/Ucollision

2.0

= f closed_loop_B/ f open_loop_B

f closed_loop_B

0.011

Hz

10.7

mHz

tr

33

Small signal

f closed_loop_B

1

Hz

Uavailable/Ucollision

188

Uavailable

5.02

V

(= Ummax - Ucollision)

Ustat

0.027

V

27

mV

DI

3.2

A

0.5

% of Imax