Quadrupole Sextupole Magnet Power Supply of TPS Taiwan

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

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

Introduction National Synchrotron Radiation Research Center

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

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

Switching Power Supply Application PowerProd uction PC 1~100 W Laptop 9. 46% Computer Communic Industrial Server ation 0. 18% Other Total 3. 50% 0. 02% 7. 92% 21. 08% 101~300 W 59. 64% 0. 08% 0. 17% 1. 39% 61. 28% 301~500 W 8. 02% 0. 08% 0. 17% 1. 19% 9. 46% 501~1000 W 7. 04% 1001 W~ Total 7. 04% 1. 14% 67. 66% 9. 46% 7. 22% 4. 80% 1. 14% 0. 36% 10. 50% 100. 00%

Switching Power Supply Application Taiwan SPS Export Rate

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

Power Supply Circuit Structure National Synchrotron Radiation Research Center

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

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

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

Power Supply Circuit structure Specifications of the 62075 H-30 power supply Specification Input Voltage Current Control Range Voltage Control Range Maximum Output Power Energy Uni-polar Power Supply 3 phase 380 V ± 10% 0~250 Ampere 0~30 Voltage 7. 5 k. W Current Stability ± 6. 25 m. A p-p (0~30 mins) ± 12. 5 m. A p-p (0~8 hours) Output Noise (P-P) Maximum Voltage Ripple (rms) Maximum Current Ripple (rms) Voltage Slew Rate Range Current Slew Rate Range 60 m. V 15 m. V 100 m. A 0. 001 V~5 V/ms 0. 001 A~1 A/ms or INF National Synchrotron Radiation Research Center

Magnet Loading Specification Booster Ring Qaudrupole Magnets Magnet designation No. of magnets Peak current Inductance Resistance QM 48 82 A 2. 03 m. H 47 m omh Specification of Booster Ring Qaudrupole Power supply Magnet designation Output (A/V) Short term stability (0~30 mins) Long term stability (0~8 hours) Resolution QS 120 A/+-425 +-5 ppm/ +-0. 6 m. A +-10 ppm/ +-1. 2 m. A 18 bits National Synchrotron Radiation Research Center

Magnet Loading Specification Storage Ring Qaudrupole and Sextupole Magnets Magnet designation QM SM No. of magnets 240 168 188 A 135 A Inductance 13. 6/23. 5 m. H 5. 8 m. H Resistance 72. 2/81. 6 m omh 43. 8 m omh Peak current National Synchrotron Radiation Research Center

Magnet Loading Specification of Storage Ring Qaudrupole and Sextupole Power supply Magnet designation QP SP Output (A/V) 250 A/30 V Short term stability (0~30 mins) +-1. 25 m. A +-6. 25 m. A Long term stability (0~8 hours) +-2. 5 m. A +-12. 5 m. A 18 bits 16 bits Resolution National Synchrotron Radiation Research Center

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

Experiments Result of Magnet Loading National Synchrotron Radiation Research Center

Experiments Result of Magnet Loading Programming Function PROG No = 1 RUN COUNT = 2 PROG CHAIN = No CLEAR PROG = No SEQ No = 1 SEQ No = 2 Voltage = 10 (V) Current = 100 (A) Current = 250 (A) Time = 5. 000 (s) SEQ Type = AUTO V S. R. = 1. 000 (V/ms) I S. R. = 0. 100 (A/ms) state 1 : output current 0 to 100 A at 5 second Program sequence testing waveform state 2 : Output current 100 A to 250 A at 5 second National Synchrotron Radiation Research Center

Experiments Result of Magnet Loading Capture Function (1) Trigger INIT (2) Pre Trigger (3) Wait Trigger (4) Post Trigger (5) Trigger Finish National Synchrotron Radiation Research Center

Experiments Result of Magnet Loading Capture Function Test Sampling Points = 10000 points Maximum Current Setting = 250 A 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 Pre Trigger Post Trigger National Synchrotron Radiation Research Center

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

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

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

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

Experiments Result of Magnet Loading I 250 A =3. 319 m. A I 500 A =1. 976 m. A I 750 A =1. 274 m. A I 1000 A =0. 817 m. A Maximum Current ripple 3. 319 m. A when output current 250 A Output current ripple and frequency bode plot National Synchrotron Radiation Research Center

Summary National Synchrotron Radiation Research Center

Summary (1) Low ripple output current will improvement magnet electric fields stability to NSRRC light source. (2) High digital controller design. (16 bits / 18 bits) (3) Smart remote control function (4)Smart detect function National Synchrotron Radiation Research Center

Thank for your attention National Synchrotron Radiation Research Center