RFPowerLinac

M.Omeich,LAL

RFPowerforLinac

Modulator / KlystronTurnKey SystemMadebyScandinovaModulator type:K2-2Totalcost 1M€(Modulator +3Klystrons)Factory Acceptance Test:14/12/2016Delivery next month

RFPowerforLinac

Parameters:

RFPeak Powermax.:40MWPeak Voltagemax.:330kVPeak Current max.:350AElectrical Peak Powermax.:92MWPulseWidth:6,2µSRep.Rate:50HzJitter:±4nSModular System

RFPowerforLinac

Dimensions:1,5mX2mX2m

RFPowerforLinac

Composition

Modulator-HVPowersupplies-PulseForming Units-PulseTransformer-auxiliairesSystems,control& measurement-Remote Control

Klystron-Thoshiba

RFPowerforLinac

Modulateur

8 T

HVPS Step upTransformer

Auxiliairessystems,control,measurements &hardwareinterlock

LocalandRemote controlsystem

Kly. Accelerator.PulseForming

RFPowerforLinacModulator Parts

HVPowersupply2HVcapacitor charging powersuppliesPulsewidth modulationat 25kHzControlofPWMbyFPGACommutation:resonating ½bridgeof2IGBTPower:25kWCharging rate:25kJ/sVoltagemax:1400VCurrent max:18AOpticalisolationcontroltoavoid noiseFinetunetosetthecapacitor at chargevalue

ThomX RFPowerLinac

RFPowerforLinacModulator Parts

PulseForming7Units dedicated forthepulseforming

Capacitor-energy storage:141µFpartieldischarge of5%Commutationelement:IGBT

RFPowerforLinac

1- Capacitor-energy storage 4- PCBdriver2- Current measerment 5- Cooling3- PCBdriver

RFPowerforLinacModulator Parts

PulseTransformerIt’s theKeycomponentofthemodulator

- Several primary windings &splitcorelow inductance&low voltageprimary

RFPowerforLinac

RFPowerforLinacModulator Parts

AuxiliairesSystems:-TimingetTriggering

Timinggeneration interne/externeOpticalisolationoftimingdistrib.

-Hardwareinterlock& MeasurmentsDynamic:Overcurrent;Overvoltage;etc…Static:Cooling;Acces;RadioprotectionExternal interrupt requird;etc…

-ControlSystemLocalandRemote

Modules

RFPowerforLinacModulator Parts

AuxiliairesSystems forKlystron:-Heater powersupply

Voltage:20V Current:20A

-FocusMagnet (Solenoid )2 PSfor6windings

-RFPowersupplyAmpli400W3Ghz

-Vaccum (Ionpump )PowersupplyVoltage:3,5kV Current:1mA

RFPowerforLinacKlystron

Klystron:ToshibaE37310RFpower(output):37,5MWRFpower(input):325WCathodeVoltage:285kVCathodeCurrent:308ACathodeHeater Current:17ARFPulseWidth:4,5µSRep.Rate:50HzEfficiency:42,9%Gain:50,6dBPerveance:2,02[µa/v 3/2]

RFPowerforLinacModulator Factory Test

TheFATwas done from 14/12/16to16/12/16Modulator/KlystronrunninginHVmode(noRF)Allccswhere cheked out,longtimetest(8hours)

RFPowerforLinacModulator Factory Test

RiseRate:346kV/µSFall Rate:278kV/µS

RFPowerforLinacModulator Factory Test

Flattopduring pulse:1.2%Flattopduring 1µS:0.2%

RFPowerforLinacRFNetwork

RFPowerforLinacRFNetwork