2 nd pocpa workshop cern, 14-16 june 2010 fermi@elettra: magnet power converters for a iv generation...
TRANSCRIPT
2nd POCPA WorkshopCERN, 14-16 June 2010
FERMI@Elettra: magnet power converters FERMI@Elettra: magnet power converters for a IV Generation Light Source for a IV Generation Light Source
Roberto VisintiniRoberto VisintiniDenis MolaroDenis Molaro
Sincrotrone TriesteSincrotrone Trieste
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010 22
FERMI StructureFERMI Structure
Photocathode Gun Photocathode Gun & &
LINACLINAC
Undulators (FEL)Undulators (FEL)&&
Experimental HallExperimental Hall
~365 m
Above Ground
Under Ground (-5 m)
~195 m ~170 m
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010 33
LINACLINAC
• Photoinjector generate electronsPhotoinjector generate electrons• Electrons are accelerated up to 1.7 GeV by 15 accelerating Electrons are accelerated up to 1.7 GeV by 15 accelerating
sectionssections
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010 44
E-BEAM TRANSPORTE-BEAM TRANSPORT
• A diagnostic beam dump (measuring beam characteristics)A diagnostic beam dump (measuring beam characteristics)• Spreader section to send electrons either to FEL1 or FEL2Spreader section to send electrons either to FEL1 or FEL2
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010 55
UNDULATOR HALLUNDULATOR HALL
• 9 undulators for FEL1 (Wavelength= 100 – 20 nm)9 undulators for FEL1 (Wavelength= 100 – 20 nm)• 13 undulators for FEL2 (Wavelength= 20 – 30 nm)13 undulators for FEL2 (Wavelength= 20 – 30 nm)• Main beam dumpMain beam dump
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010 66
POWER SUPPLIES REQUIREMENTSPOWER SUPPLIES REQUIREMENTS
Power Supplies Status (June 2010)
Type/model # (with FEL2+) Installed
A2605 240 87
A2620 149 57
Argantix XDS 30-500 1 1
Argantix XDS 40-375 2 1
Danfysik 883 - 30V/500A 2
Danfysik 9100 5
Delta SM 52-AR-60 1 1
Delta SM15/100 5 5
Delta SM15/400 4 4
Lambda Gen100-100 2 2
Lambda Gen20-165 3
Lambda Gen20-500 1
Lambda Gen30-110 5 5
EEI 55/750 2 1
TransTechnik 25/750 2
TOTAL 424 164
Installed = placed in the rack
Percentage vs. TOTAL 38%
Ready = Fully tested (mag+int'lk)
Ready vs. TOTAL 27%
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste
A2605A2605
• Output Current Range: -5/+5 ADCOutput Current Range: -5/+5 ADC
• Output Voltage Range: -15/+15 VDCOutput Voltage Range: -15/+15 VDC
• Output Current Resolution: 16 bitOutput Current Resolution: 16 bit
• Accuracy: 30 ppm/FSAccuracy: 30 ppm/FS
• Long Term Stability: 50 ppm/FSLong Term Stability: 50 ppm/FS
• Max Ripple: 30 ppm/FSMax Ripple: 30 ppm/FS
22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010
• Cooling: forced airCooling: forced air
• Communication: Ethernet TCP or UDPCommunication: Ethernet TCP or UDP
• Current update rate: 100HzCurrent update rate: 100Hz
• Bandwidth-3dB (@ 2Ω load): 1KHzBandwidth-3dB (@ 2Ω load): 1KHz
• Digital control loopDigital control loop
• Efficiency DC/DC stage: 90 %Efficiency DC/DC stage: 90 %
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste
A2620A2620
• Output Current Range: -20/+20 ADCOutput Current Range: -20/+20 ADC
• Output Voltage Range: -22/+22 VDCOutput Voltage Range: -22/+22 VDC
• Output Current Resolution: 16 bitOutput Current Resolution: 16 bit
• Accuracy: 30 ppm/FSAccuracy: 30 ppm/FS
• Long Term Stability: 50 ppm/FSLong Term Stability: 50 ppm/FS
• Max Ripple: 30 ppm/FSMax Ripple: 30 ppm/FS
22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010
• Cooling: forced airCooling: forced air
• Communication: Ethernet TCP or UDPCommunication: Ethernet TCP or UDP
• Current update rate: 100HzCurrent update rate: 100Hz
• Bandwidth-3dB (@ 2Ω load): 1KHzBandwidth-3dB (@ 2Ω load): 1KHz
• Digital control loopDigital control loop
• Efficiency DC/DC stage: 95 %Efficiency DC/DC stage: 95 %
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste
Commercial PSCommercial PS
• TDK-Lambda and Argantix have had problems of TDK-Lambda and Argantix have had problems of oscillation under inductive loadoscillation under inductive load
• Fast fix from the manufactures/dealersFast fix from the manufactures/dealers• Delta almost no problemsDelta almost no problems
22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste
Time scheduleTime schedule
22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010
R. Visintini D. Molaro - Sincrotrone TriesteR. Visintini D. Molaro - Sincrotrone Trieste
ENDEND
Thank youThank you
22ndnd POCPA – 14-16 June 2010 POCPA – 14-16 June 2010