Machine:Pulsed Magnets

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Septa

The septa geometric and magnetic field quality specifications parameters are given in Table:Septa_parameters and the design parameters for the magnet and pulser are shown in Table 1.


Table 1: Septa design parameters.


PARAMETERS UNIT BOO_INJ BOO_EXT STORAGE RING
THICK THIN
Nom. Max. Nom. Max. Nom. Max. Nom. Max.
Magnetic Parameters
Electron Energy GeV 0.15 3.0 3.0 3.0
Magnetic Field T 0.380 0.400 1.09 1.18 1.09 1.18 1.09 1.2
Nominal deflection deg 21.75 22.92 3.60 3.90 3.60 3.90 3.12 3.44
mrad 379.61 400.0 62.83 68.0 62.83 68.00 54.42 60.00
Bend Radius m 1.35 1.28 9.19 8.49 9.19 8.49 9.19 8.34
Amplitude Reproducibility  % 0.07 0.006 0.017 0.017
Flat Top (rms)  % 0.07 0.006 0.017 0.017
Integrated Leakage Field G.cm 50 200 3.7 3.7
Core Material - FeSi E233
Geometrical Parameters
Nº Magnets - 1 2 2 1
Magnet Aperture (HxV) mm 35.7 18.0 28.3 10.0 28.3 10.0 28.3 10.0
Beam Aperture (HxV) mm 22.0 16.0 9.0 8.0 9.0 7.0 9.0 7.0
Length m 0.5 0.577 0.577 0.5
Pulser Parameters
Magnet Topology - Eddy Current Eddy Current Eddy Current Eddy Current
Pulse Shape - Full Sine Full Sine Full Sine Full Sine
Switch Type - Thyristor Thyristor Thyristor Thyristor
Current kA 5.44 5,73 8.67 9.38 8.67 9.39 8.66 9.55
Voltage V 378 467 648 860 648 860 706 898
Pulse Duration us 87 141 141 102
Flat Top Width ns 150 150 150 150
Energy in Magnet J 28.55 43.71 126.1 147.8 126.1 147.8 99.8 121.2
Inductance uH 1.93 3.36 3.36 2.66
Capacitance uF 400 600 400 300
Repetition Rate Hz 2 2 2 2


Kickers/NLK

The kicker geometric and magnetic field quality specifications parameters are given in Table:Kickers parameters and the design parameters for the magnet and pulser are shown in Table 2.


Table 2: Kickers design parameters.
PARAMETERS UNIT BOO_INJ BOO_EXT ON-AXIS NLK PINGER VERT. PINGER HOR.
Nom. Max. Nom. Max. Nom. Max. Nom. Max. Nom. Max. Nom. Max.
Magnetic Parameters
Electron Energy GeV 0.15 3.0
Integrated Field T.m 0.010 0.012 0.025 0.029 0.061 0.067 0.029 (@x=-8 mm 0.034 (@x=-6 mm) 0.005 0.006 0.007 0.008
Deflection Angle mrad 19.34 23.40 2.52 2.90 6.1 6.7 2.9 (@x=-8 mm) 3.4 (@x=-6 mm) 0.50 0.55 0.7 0.77
Tolerance for integrated dipole field at center G.cm - < 3.7 -
Tolerance for integrated quadrupole gradient at center T - < 0.12 -
Amplitude Reproducibility  % 0.31 0.37 0.33 0.7  ?
Flat Top (rms)  % 0.62 0.74 0.66 1.4 5
Core Material - FERRITE CMD5005 HIBRID FERRITE CMD5005
Geometrical Parameters
Nº Magnets - 1
Magnet Aperture (HxV) mm 63 25 63 25 63 25 34.2 13.2 63 25 63 25
Beam Aperture (HxV) mm 40 16 40 16 29.0 9.53 29.0 9.53  ?  ? 29.0 9.53
Cer.Chamber Length m 0.5 0.5 0.5 0.5 0.5 0.5
Magnet Length m 0.4 0.4 0.4 0.45 0.4 0.4
Pulser Parameters
Magnet Topology - Window Frame Hibrid Window Frame
Pulse Shape - Half Sine Trapezoidal
Switch Type - Thyristor IGBT MOSFET
Current kA 0.48 0.58 1.26 1.45 3.04 3.34 0.65 0,79 0.25 0,38 0.35 0,38
Voltage kV 1.67 2.02 3.07 3.36 10.23 11.23 4.1 4.8 12.5 19.3 17.5 19.3
Flat Top Width us 0.15 1.0
Rise Time us Irrelevant 1.5 Irrelevant 0.05
Fall Time us 1.5 Irrelevant 1.5 0.05
Half-Sine Pulse Duration us 3.0 2.7 2.9 2.0 1.0
Jitter ns 5.0
Energy in Magnet J 0.26 0.39 1.79 2.2 8.84 10.67 1.3 1.7 8.84 10.67 10.5 12.6
Inductance uH 2.3 2.3 2.3 6.0 2.3
Capacitance nF 190 380 200 150 -
PFL Impedance Ohm - 50
Repetition Rate Hz 2