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POWER ELECTRONICS GROUP

POWER ELECTRONICS GROUP. POWER SUPPLIES AT LNLS LNLS – BRAZILIAN SYNCHROTRON LIGHT LABORATORY Eng. CLEBER RODRIGUES Head of the Power Electronics Group June 2010. POWER ELECTRONICS GROUP. THE LNLS - Location. ______________________________________________. POWER ELECTRONICS GROUP.

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POWER ELECTRONICS GROUP

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  1. POWER ELECTRONICS GROUP POWER SUPPLIES AT LNLS LNLS – BRAZILIAN SYNCHROTRON LIGHT LABORATORY Eng. CLEBER RODRIGUES Head of the Power Electronics Group June 2010

  2. POWER ELECTRONICS GROUP THE LNLS - Location ______________________________________________

  3. POWER ELECTRONICS GROUP A Nova Fonte de Luz Síncrotron do LNLS THE LNLS - Location ______________________________________________ Accelerator engineering and instrumentation Molecular and Structural Biology and Proteomics Hostel & Restaurant Microfabrication and Nanoscience Synchrotron Light Source Bioethanol center LNLS2new source

  4. POWER ELECTRONICS GROUP THE LNLS ______________________________________________ • Created in 1987 • A national synchrotron facility • Industrial interaction • International cooperation • 120-MeV Linac (Dec 1995) • 1.37-GeV Storage Ring (July 1996) • 120-to-500 MeV Booster Synchrotron Injector (June 2001)

  5. POWER ELECTRONICS GROUP STORAGE RING - 1996 ______________________________________________

  6. POWER ELECTRONICS GROUP O Anel de Armazenamento STORAGE RING - 2010 ______________________________________________ 500 MeV booster 120 MeV linac 1.37 GeV storage ring

  7. POWER ELECTRONICS GROUP Parâmetros do Anel de Armazenamento Main Storage Ring Parameters ______________________________________________

  8. Maximum energy 500 MeV • Injection energy 125 MeV • Circumference 34.0 m • RF frequency 476.0 MHz • Horizontal tune 2.27 • Vertical tune 1.16 • Horiz. natural chromaticity -2.1 • Vert. natural chromaticity -2.5 • Repetition rate 0.17 Hz • Current (@ 500 MeV) 20 mA • Storage ring filling time (300 mA) 20 min POWER ELECTRONICS GROUP BOOSTER: 1998 - 2001 ______________________________________________

  9. POWER ELECTRONICS GROUP LNLS - 120-MeV LINAC ______________________________________________

  10. POWER ELECTRONICS GROUP THE POWER ELECTRONICS GROUP ______________________________________________ • Design and build most of the power supplies in-house • 1 Engineer (head of the group) • 4 Electronic Technicians • 3 Interns

  11. POWER ELECTRONICS GROUP THE POWER ELECTRONICS GROUP ______________________________________________ • Responsible for: • More than 200 DC Precise Current Power Supplies • 5 to 500A, 10 to 900V, up to 270kW • Precision: 30 to 1000ppm • About 20 DC Voltage Power Supplies for valve heaters • 5 units, up to 8kA Septum Pulsers • 5 units, 1kA, fast rise-time Kicker Pulsers • Three 62.5MW Linac Power Modulators • High Voltage Power Supplies • Two 80keV Electron Guns • Two 26kV/150kW Power Supplies for CW Klystron • About 200 7kV/30mA Power Supplies for Ion Pump • 15 AC Power Supplies for Titanium Sublimation Pump

  12. POWER ELECTRONICS GROUP Power Supplies - Projects ______________________________________________ • Power Stage • SMPS • Buck converters • One switch • Modules in parallel (for higher currents) • Full Bridge Converters • Series and parallel connection with thyristor bridges • Combination with linear series regulation • Linear-Series regulation • SCR bridges and LC filter • Control System • On-off control with hysteresis • PID controllers

  13. POWER ELECTRONICS GROUP Power Supplies - Projects ______________________________________________ • Feedback: • DCCTs • Shunts (1000 ppm) • Remote Control • Computer controlled • Power supplies’ turn-on and off • Set reference value • Read actual current • Status monitoring

  14. POWER ELECTRONICS GROUP Overview - Power Supply Room ______________________________________________

  15. POWER ELECTRONICS GROUP __________________________________________________ STORAGE RING, TRANSPORT LINE AND LINAC POWER SUPPLIES

  16. POWER ELECTRONICS GROUP BOOSTER - Power Supplies ______________________________________________

  17. POWER ELECTRONICS GROUP STORAGE RING 12-Dipole Power Supply ______________________________________________ 300 A / 900 V 10 ppm ripple +/- 10 mA

  18. POWER ELECTRONICS GROUP STORAGE RING 12-Dipole Power Supply ______________________________________________

  19. POWER ELECTRONICS GROUP STORAGE RING 12-Dipole Power Supply ______________________________________________

  20. POWER ELECTRONICS GROUP STORAGE RING 6-Quad and Sext Power Supplies ______________________________________________ 250 A / 45 V ripple: +/- 25 mA

  21. POWER ELECTRONICS GROUP BOOSTER - Quad & Sext Power Supplies ______________________________________________ 10 A / 20 V 20 A / 50 V

  22. POWER ELECTRONICS GROUP BOOSTER - Quad & Sext Power Supplies ______________________________________________

  23. POWER ELECTRONICS GROUP STORAGE RING - Correctors Power Supplies (BCA model) _________________________________________________ +/- 10A +/- 10V ripple: 5mA

  24. POWER ELECTRONICS GROUP BOOSTER - Corrector Power Supplies ______________________________________________ +/- 10 A +/- 10 V +/- 5 A +/- 10 V 10 A 15 V (120MeV transport line quadrupole)

  25. POWER ELECTRONICS GROUP STORAGE RING – Active Shunts for Quadrupoles __________________________________________ +/- 5A +/- 10V Perspective View Simplified Schematic

  26. POWER ELECTRONICS GROUP BOOSTER - Septa ______________________________________________

  27. POWER ELECTRONICS GROUP BOOSTER - Septa ______________________________________________

  28. POWER ELECTRONICS GROUP BOOSTER - Septa ______________________________________________

  29. POWER ELECTRONICS GROUP BOOSTER - Kickers ______________________________________________

  30. POWER ELECTRONICS GROUP BOOSTER - Injection Kicker ______________________________________________ 110 A/div

  31. POWER ELECTRONICS GROUP Some current activities of the Power Electronics Group ______________________________________________ • Building of 50 units of newest model of power supplies to substitute the oldest model for Storage Ring Correctors (+/-10A/10V) • Building of 20 High Voltage Power Supply units for Sputter Ion Pump and 10 units of AC Power Supplies for Titanium Sublimation Pump • Designing of power supplies with redundancy (+/-20A, 30V prototype with 4 modules under tests) • Tests with the D/A and A/D circuit inside the power supplies

  32. POWER ELECTRONICS GROUP Nova Fonte de Luz Síncrotron Brasileira SIRIUS: THE LNLS 2 ______________________________________________

  33. POWER ELECTRONICS GROUP Concepção inovadora ______________________________________________ SIRIUS: THE LNLS2 TWO NEW CONCEPTS: • Dipoleswithpermanentmagnets • Lowerinvestiment • In powersupplies • Cooling system • Loweroperationalcost • 1500 MW.h/yearonly in powersupplies • Decreasing in thermal charge (600 MW.h/year) • Higherreliability • Lesscriticalcomponents • Strongmagneticfieldjustwhere it is useful • Lowerinvestiment • In RF equipment • In vacuumequipment (due to lowerheatingcausedbynonusedsynchotron light) • Loweroperationalcost • Lower RF power (8000 MW.h/year) • Lowercooling system power (500 MW.h/year) Total OperationalCostReduction: 10.6 GW.h/year (U$ 2,000,000.00/year)

  34. POWER ELECTRONICS GROUP magnetos da nova fonte ______________________________________________ SIRIUS: MAGNETS

  35. POWER ELECTRONICS GROUP SIRIUS: DIPOLES (PERMANENT MAGNETS) _____________________________________________ 3.5o and 5.0 Dipoles Ferrite - First Prototype Central Dipole 3.5 and 5.0 Dipoles NdFeB

  36. POWER ELECTRONICS GROUP SIRIUS: QUADRUPOLES AND SEXTUPOLES ______________________________________________ Multifunctional Sextupole with steerings and skew quad corrections Quadrupoles

  37. POWER ELECTRONICS GROUP ANY QUESTION? THANK YOU!

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