1. 2 nd POCPA Workshop CERN, 14-16 June 2010 FERMI@Elettra: magnet power converters for a IV Generation Light Source Roberto Visintini Denis Molaro Sincrotrone Trieste

2. R. Visintini D. Molaro - Sincrotrone Trieste 2 nd POCPA – 14-16 June 2010 2 FERMI Structure Photocathode Gun &LINAC Undulators (FEL) & Experimental Hall ~365 m Above Ground Under Ground (-5 m) ~195 m ~170 m

3. R. Visintini D. Molaro - Sincrotrone Trieste 2 nd POCPA – 14-16 June 2010 3LINAC Photoinjector generate electrons Photoinjector generate electrons Electrons are accelerated up to 1.7 GeV by 15 accelerating sections Electrons are accelerated up to 1.7 GeV by 15 accelerating sections

4. R. Visintini D. Molaro - Sincrotrone Trieste 2 nd POCPA – 14-16 June 2010 4 E-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 FEL2 Spreader section to send electrons either to FEL1 or FEL2

5. R. Visintini D. Molaro - Sincrotrone Trieste 2 nd POCPA – 14-16 June 2010 5 UNDULATOR 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 dump Main beam dump

6. R. Visintini D. Molaro - Sincrotrone Trieste 2 nd POCPA – 14-16 June 2010 6 POWER SUPPLIES REQUIREMENTS Power Supplies Status (June 2010) Type/model# (with FEL2+)Installed A260524087 A262014957 Argantix XDS 30-50011 Argantix XDS 40-37521 Danfysik 883 - 30V/500A2 Danfysik 91005 Delta SM 52-AR-6011 Delta SM15/10055 Delta SM15/40044 Lambda Gen100-10022 Lambda Gen20-1653 Lambda Gen20-5001 Lambda Gen30-11055 EEI 55/75021 TransTechnik 25/7502 TOTAL 424164 Installed = placed in the rack Percentage vs. TOTAL38% Ready = Fully tested (mag+int'lk) Ready vs. TOTAL27%

7. R. Visintini D. Molaro - Sincrotrone Trieste A2605 Output Current Range: -5/+5 ADC Output Current Range: -5/+5 ADC Output Voltage Range: -15/+15 VDC Output Voltage Range: -15/+15 VDC Output Current Resolution: 16 bit Output Current Resolution: 16 bit Accuracy: 30 ppm/FS Accuracy: 30 ppm/FS Long Term Stability: 50 ppm/FS Long Term Stability: 50 ppm/FS Max Ripple: 30 ppm/FS Max Ripple: 30 ppm/FS 2 nd POCPA – 14-16 June 2010 Cooling: forced air Cooling: forced air Communication: Ethernet TCP or UDP Communication: Ethernet TCP or UDP Current update rate: 100Hz Current update rate: 100Hz Bandwidth-3dB (@ 2Ω load): 1KHz Bandwidth-3dB (@ 2Ω load): 1KHz Digital control loop Digital control loop Efficiency DC/DC stage: 90 % Efficiency DC/DC stage: 90 %

8. R. Visintini D. Molaro - Sincrotrone Trieste A2620 Output Current Range: -20/+20 ADC Output Current Range: -20/+20 ADC Output Voltage Range: -22/+22 VDC Output Voltage Range: -22/+22 VDC Output Current Resolution: 16 bit Output Current Resolution: 16 bit Accuracy: 30 ppm/FS Accuracy: 30 ppm/FS Long Term Stability: 50 ppm/FS Long Term Stability: 50 ppm/FS Max Ripple: 30 ppm/FS Max Ripple: 30 ppm/FS 2 nd POCPA – 14-16 June 2010 Cooling: forced air Cooling: forced air Communication: Ethernet TCP or UDP Communication: Ethernet TCP or UDP Current update rate: 100Hz Current update rate: 100Hz Bandwidth-3dB (@ 2Ω load): 1KHz Bandwidth-3dB (@ 2Ω load): 1KHz Digital control loop Digital control loop Efficiency DC/DC stage: 95 % Efficiency DC/DC stage: 95 %

9. R. Visintini D. Molaro - Sincrotrone Trieste Commercial PS TDK-Lambda and Argantix have had problems of oscillation under inductive load TDK-Lambda and Argantix have had problems of oscillation under inductive load Fast fix from the manufactures/dealers Fast fix from the manufactures/dealers Delta almost no problems Delta almost no problems 2 nd POCPA – 14-16 June 2010

10. R. Visintini D. Molaro - Sincrotrone Trieste Time schedule 2 nd POCPA – 14-16 June 2010

11. R. Visintini D. Molaro - Sincrotrone Trieste END Thank you 2 nd POCPA – 14-16 June 2010