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In recent years, more physical experiments required the acceleration of heavy ions to higher energy ranges, and the power of HIRFL-CSRm (Heavy Ion Research Facility in Lanzhou Cooler-Storage-Ring main ring) dipole magnet pulse power supply must be enhanced by a minimum of 33%. Simultaneously, more communication interfaces and functions must be implemented to accommodate the requirements of physical experiments. The existing power supply and associated control system are no longer sufficient to fulfill the demands of advanced accelerators, thereby necessitating an upgrade of the power supply control system. The new power supply control system uses the third-generation digital controller of power supply technology group of Institute of Modern Physics to replace the original analog control scheme, which significantly improves the accuracy and stability of the power supply. In addition, using FPGA (Field Programmable Gate Array) reduces the time for early power supply debugging and the difficulty of operation and maintenance and also increases the reliability of power supply operation. The third-generation digital power controller SZF-3 has just completed extensive stability testing and has been duly implemented in the accelerator.

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Design of the Digital Controller for HIRFL-CSRm Dipole Magnet Pulse Power Supply

  • 会议论文

  • 发表日期：

    2025年

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  • Mengyan Sun,
  • Yuzhen Huang,
  • Fangfang Zhu,
  • Xiaojun Wang,
  • Hongliang Guo,
  • Jiqiang Li,
  • Fengjun Wu,
  • Cheng Han

摘要

In recent years, more physical experiments required the acceleration of heavy ions to higher energy ranges, and the power of HIRFL-CSRm (Heavy Ion Research Facility in Lanzhou Cooler-Storage-Ring main ring) dipole magnet pulse power supply must be enhanced by a minimum of 33%. Simultaneously, more communication interfaces and functions must be implemented to accommodate the requirements of physical experiments. The existing power supply and associated control system are no longer sufficient to fulfill the demands of advanced accelerators, thereby necessitating an upgrade of the power supply control system. The new power supply control system uses the third-generation digital controller of power supply technology group of Institute of Modern Physics to replace the original analog control scheme, which significantly improves the accuracy and stability of the power supply. In addition, using FPGA (Field Programmable Gate Array) reduces the time for early power supply debugging and the difficulty of operation and maintenance and also increases the reliability of power supply operation. The third-generation digital power controller SZF-3 has just completed extensive stability testing and has been duly implemented in the accelerator.