Yuan Li, Fengjun Wu, Yuzhen Huang, Xiaojun Wang, Yulian Tan, Huajian Zhang, Fangfang Zhu, Yuhang Li, Jie Wang, Shiding Guo, Feng Shi, Hongbin Yan, Daqing Gao. High voltage and low voltage switching control and switching point smoothing algorithm of HIAF-BRing fast cycle full energy storage pulse power supply[J]. High Power Laser and Particle Beams, 2023, 35(6): 064001
- High Power Laser and Particle Beams
- Vol. 35, Issue 6, 064001 (2023)
Fig. 1. Output current, output voltage and output power waveforms of HIAF-BRing dipole magnet power supply
Fig. 2. Two-quadrant chopper in accelerator power supply
Fig. 3. Topology of HIAF-BRing fast cycle full energy storage pulse power supply
Fig. 4. Work states of high voltage and low voltage switching control method with single branch as an example
Fig. 5. High voltage and low voltage switching control strategy
Fig. 6. Oscillation at the switching point
Fig. 7. Switching point smoothing control algorithm
Fig. 8. Simulation circuit
Fig. 9. Simulation control principle
Fig. 10. Output current waveform of 100 A platform before and after adding high voltage and low voltage switching control method
Fig. 11. Simulation comparison before and after adding switching point smoothing control algorithm under method of high voltage and low voltage switching control
Fig. 12. Prototype and magnet load of HIAF-BRing fast cycle full energy storage pulse power supply
Fig. 13. Experimental results of 100 A platform current before and after adding high voltage and low voltage switching control method
Fig. 14. Experimental results of 100 A platform before and after adding the switching point smoothing control algorithm
Fig. 15. Total output current waveform and current absolute error waveform of power supply
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Table 1. Parameters for HIAF-BRing dipole magnet power supply
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Table 2. Related parameters of FF1400R17IP4
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