Design capacities
Transient magnetic modelling
Eddy currents modelling in shielding box of e eddy-current septum
Magnetic induction modelling in the yoke of eddy-current septum
Magnetic induction homogeneity modelling in the parture of a kicker magnet
Magnetic calculation of a kicker magnet
Thermal modelling
3D static and transient modelling with
Opera 2d TH / 3d Tempo form Cobham CTS
Thermal modelling of septum magnet
Electric modelling on Spice Orcad
Electric modelling of the current pulse in a kicker magnet
Mechanical design on Solidworks
UHV Kicker magnet design (Solidworks)
Pulser of the CRYRING-LSR kicker
ThomX eddy current septum
Design and integration of fast HV solid state switches
Manufacturing
Make-up and prototypes
FAIR-HESR pulser prototype
FAIR-HESR kicker magnet prototype
Ultra high vacuum assembly and tests
Pulsed electric and magnetic tests
Electric measurements of a 30kV pulsed system
Examples and performances
FAIR-HESR injection system prototype
Flat top value : 4000 A
Rise time : 191 ns
Fall time : 220 ns
Flat top ripple : +/-0.45%
Ripple after fall time : +/- 26 A
Flat top duration : 233 ns
Jitter (std deviation): <1 ns
Technology : based on ON / OFF semiconductor switches.
Kicker magnet :
Length : 360 mm
10-10 mbar
Inductance : 0.8 μH
BO : 54 mT
Field integral : 0.022 T.m
Field integral homogeneity : < +/-1%
Refer to IPAC poster : Injection kicker for HESR at FAIR using Semi-conductor switches
Cryring extraction system
High voltage : 20 kV
Current pulse : adjustable from 200 A to 3600 A
Rise time / fall time : 280ns
Flap top ripple : +/- 3%
Pulse duration : adjustable, from 1.6 μs to 16 μs
Repetition rate : 0,5 Hz
Technology : based on ON / OFF semiconductor switches.
Kicker magnet :
Length : 400 mm
UHV chamber : ceramic
Inductance : 1 μH
BO : 46 mT
Field integral : adjustable from 0.001 T.m to 0.02 T.m
Field integral homogeneity : < +/-1%
Refer to IPAC poster : Adjustable pulse duration fast kicker for the cryring storage ring
Soleil septum
Pulser :
Signal : full sinus wave, 120 μs duration
Peak current : 5500 A
Voltage : 1kV
Rep. rate : 3 Hz
Septum magnet :
10-10 mbar
BO field : 500 mT
Field integral : 255 mT.m
Field integral transverse homogeneity : < ± 0,45%
Leak field integral : < 10 ppm of injected beam field integral
