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YS Wong , KB Liu (Team Leader) 2011/06/16

Quadrupole & Sextupole Magnet Power Supply of TPS (Taiwan Photon Source) Power supply team. YS Wong , KB Liu (Team Leader) 2011/06/16. Outline. Introduction Power Supply Circuit structure (Input state and Output state) Experiments Result of Magnet Loading

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YS Wong , KB Liu (Team Leader) 2011/06/16

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  1. Quadrupole & Sextupole Magnet Power Supply of TPS (Taiwan Photon Source) Power supply team YS Wong , KB Liu (Team Leader) 2011/06/16 National Synchrotron Radiation Research Center

  2. Outline • Introduction • Power Supply Circuit structure • (Input state and Output state) • Experiments Result of Magnet Loading • Programming Function Testing • Capture Function Testing • Long term stability Testing • Summary National Synchrotron Radiation Research Center

  3. Introduction National Synchrotron Radiation Research Center

  4. Introduction Switch Mode Power Supply It is an electronic power supply that incorporates a switching device in order to be highly efficient in the conversion of electrical power A: input EMI filtering B: input filter capacitors;C: transformer;D: output filter coil;E: output filter capacitors. National Synchrotron Radiation Research Center

  5. Benefits of SPS(switch power supply) • High efficiency and less heat generation (Linear mode power supply efficient 40~50%) (Switch mode power supply efficient 70~95%) • Tighter regulation • Smaller size

  6. Switching Power Supply Application

  7. Switching Power Supply Application Taiwan SPS Export Rate

  8. Switching Power Supply Marketing Unit : Sale Volume (Million) Sale Value (Hundred million US)

  9. Power Supply Circuit Structure National Synchrotron Radiation Research Center

  10. Power Supply Circuit structure Chroma 62075H-30 Rear Panel Chroma 62075H-30 Front Panel Quadrupole power supply(18bits) and Sextupole power supply(16bits) National Synchrotron Radiation Research Center

  11. Power Supply Circuit structure A B Input State A region : EMI filter and rectifier 380AC voltage pass to EMI filter and rectifier B region :Input Capacitor Chroma 62075H-30 input state National Synchrotron Radiation Research Center

  12. Power Supply Circuit structure Output State C region : Power Switching (Full bridge structure) D region : Transformer E region : Output Capacitor F region : Control block E C D F Chroma 62075H-30 output state National Synchrotron Radiation Research Center

  13. Power Supply Circuit structure Specifications of the 62075H-30 power supply National Synchrotron Radiation Research Center

  14. Magnet Loading Specification National Synchrotron Radiation Research Center

  15. Magnet Loading Specification National Synchrotron Radiation Research Center

  16. Magnet Loading Specification National Synchrotron Radiation Research Center

  17. Power Supply Circuit structure Chroma 62075H-30 power supply in laboratory Magnet loading National Synchrotron Radiation Research Center

  18. Experiments Result of Magnet Loading National Synchrotron Radiation Research Center

  19. Experiments Result of Magnet Loading Programming Function state 1 : output current 0 to100A at 5second state 2 : Output current 100A to 250A at 5 second Program sequence testing waveform National Synchrotron Radiation Research Center

  20. Experiments Result of Magnet Loading • Capture Function • Trigger INIT • Pre Trigger • Wait Trigger • Post Trigger • Trigger Finish National Synchrotron Radiation Research Center

  21. Experiments Result of Magnet Loading Capture Function Test Sampling Points = 10000 points Maximum Current Setting = 250A Additional a pulse signal in the machine at 5000 sampling points (Green Line) Capture 5000 points pre trigger data Capture 5000 points post trigger data Post Trigger Pre Trigger National Synchrotron Radiation Research Center

  22. Experiments Result of Magnet Loading Slew rate : 8A/s 0~50A OCP : 50A National Synchrotron Radiation Research Center

  23. Experiments Result of Magnet Loading One module , output current 250A Output current ripple +- 20ppm (8 hours) Long term output current ripple testing of 250A National Synchrotron Radiation Research Center

  24. Experiments Result of Magnet Loading Power supply Maximum output current is 250A Parallel 2 module , output current 500A Output current ripple +- 10ppm (8 hours) Long term output current ripple testing of 500A National Synchrotron Radiation Research Center

  25. Experiments Result of Magnet Loading Connect current sharing line Connect system bus line Long term current output ripple testing at 500A National Synchrotron Radiation Research Center

  26. Experiments Result of Magnet Loading I250A =3.319mA I500A =1.976mA I750A =1.274mA I1000A =0.817mA Maximum Current ripple 3.319mA when output current 250A Output current ripple and frequency bode plot National Synchrotron Radiation Research Center

  27. Summary National Synchrotron Radiation Research Center

  28. Summary • Low ripple output current will improvement magnet electric fields stability to NSRRC light source. • High digital controller design. (16bits / 18bits) • Smart remote control function • (4)Smart detect function National Synchrotron Radiation Research Center

  29. Thank for your attention National Synchrotron Radiation Research Center

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