All power supplies in HIAF are fully digitally controlled.A new generation of FPGA-based digital controllers,named the SZF-3 series have been developed and upgraded.High-speed serial communication is used to realize m...All power supplies in HIAF are fully digitally controlled.A new generation of FPGA-based digital controllers,named the SZF-3 series have been developed and upgraded.High-speed serial communication is used to realize master-slave control.And a distributed real-time high computing performance control system combined with a 10-Gigabit optical communication network is designed.展开更多
A series of power supplies have been upgraded in the power supply system of the Heavy Ion Research Facility in Lanzhou(HIRFL)in 2022.Upgrade of the Sector Focusing Cyclotron(SFC)main magnet power supplies,SFC harmonic...A series of power supplies have been upgraded in the power supply system of the Heavy Ion Research Facility in Lanzhou(HIRFL)in 2022.Upgrade of the Sector Focusing Cyclotron(SFC)main magnet power supplies,SFC harmonic magnet power supplies and shimming magnet power supplies are the main renovation project for SFC this year.The SFC is an injector in HIRFL which has been operating for a long time.As a result,its power supplies have been severely ageing,and a renovation project for power supplies is proposed.展开更多
The Booster Ring(BRing)is the core of the acceleration unit to obtain high-current,high-energy and highquality heavy ion beam in the High Intensity heavy ion Accelerator Facility(HIAF)^([1]).To reduce the space charge...The Booster Ring(BRing)is the core of the acceleration unit to obtain high-current,high-energy and highquality heavy ion beam in the High Intensity heavy ion Accelerator Facility(HIAF)^([1]).To reduce the space charge effect and the dynamic vacuum effect,the fast-ramping rate of the dipole magnet power supply is up to 38000 A/s,which poses great challenges to the power supply system.Therefore,variable forward excitation,full energy storage,and full switching technology are studied and used.展开更多
The stability of the magnetic fields is crucial for the precision experiments conducted at the experimental Cooler Storage Ring CSRe.From 2016,sudden changes of dB=B>10−4 of CSRe dipole magnetic fields happened irr...The stability of the magnetic fields is crucial for the precision experiments conducted at the experimental Cooler Storage Ring CSRe.From 2016,sudden changes of dB=B>10−4 of CSRe dipole magnetic fields happened irregularly which made the precision mass measurements at CSRe difficult to proceed.Therefore,a monitoring system have been built and the instabilities of the power supply and field strengths of the CSRe dipole magnets have been investigated in 2017.展开更多
In order to cooperate with the installation and operation of SSC-Linac in 2019,the HIRFL-SSC power system for beam line was updated.The modification includes the update of 148 power supplies in SSC front and rear beam...In order to cooperate with the installation and operation of SSC-Linac in 2019,the HIRFL-SSC power system for beam line was updated.The modification includes the update of 148 power supplies in SSC front and rear beam lines.展开更多
文摘All power supplies in HIAF are fully digitally controlled.A new generation of FPGA-based digital controllers,named the SZF-3 series have been developed and upgraded.High-speed serial communication is used to realize master-slave control.And a distributed real-time high computing performance control system combined with a 10-Gigabit optical communication network is designed.
文摘A series of power supplies have been upgraded in the power supply system of the Heavy Ion Research Facility in Lanzhou(HIRFL)in 2022.Upgrade of the Sector Focusing Cyclotron(SFC)main magnet power supplies,SFC harmonic magnet power supplies and shimming magnet power supplies are the main renovation project for SFC this year.The SFC is an injector in HIRFL which has been operating for a long time.As a result,its power supplies have been severely ageing,and a renovation project for power supplies is proposed.
基金National Key R&D Program of China(2019YFA0405400)。
文摘The Booster Ring(BRing)is the core of the acceleration unit to obtain high-current,high-energy and highquality heavy ion beam in the High Intensity heavy ion Accelerator Facility(HIAF)^([1]).To reduce the space charge effect and the dynamic vacuum effect,the fast-ramping rate of the dipole magnet power supply is up to 38000 A/s,which poses great challenges to the power supply system.Therefore,variable forward excitation,full energy storage,and full switching technology are studied and used.
文摘The stability of the magnetic fields is crucial for the precision experiments conducted at the experimental Cooler Storage Ring CSRe.From 2016,sudden changes of dB=B>10−4 of CSRe dipole magnetic fields happened irregularly which made the precision mass measurements at CSRe difficult to proceed.Therefore,a monitoring system have been built and the instabilities of the power supply and field strengths of the CSRe dipole magnets have been investigated in 2017.
文摘In order to cooperate with the installation and operation of SSC-Linac in 2019,the HIRFL-SSC power system for beam line was updated.The modification includes the update of 148 power supplies in SSC front and rear beam lines.
