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Design and development of strip electrode power supply for HEPS wiggler

Radiation Detection Technology and Methods 2024年第2期8卷 1155-1161页

作者： Yuting Liu Yang Li Yunze Du Fengli Long Xiaoling Guo Pengfei Wei Chao Han Yao Gao Institute of High Energy Physics Chinese Academy of SciencesBeijing100049China University of Chinese Academy of Sciences Beijing100049China

Purpose The high-energy photon source(HEPS)is the first fourth-generation synchrotron photon source in China(Jiang et *** Sci Sin Phys Mech Astron 44:1075-1094,2014).The strip electrode and its power supply provide necessary hardware support for correcting the magnetic field of the wiggler as reported by Zhao and Yin(Particle accelerator technology,Higher Education Press,Beijing,2006).The design of the conventional power supply for accelerators,with a large output current and high output voltage,making it easy to achieve high stability of the output *** strip electrode power supply poses difficulties in achieving high stability due to its small output current and *** of size limitations,as well as the requirements of the power architecture,there are currently no commercial products for this type of power *** Designed and developed 32 strip electrode power *** the large number of power supplies and limited space,a rack structure design was adopted,placing all power supplies in one *** main circuit of the power supply adopts a full bridge transformation structure(Chao et *** Radiat Detect Technol Methods 6:470-478,2022),and the control scheme adopts full digital control based on FPGA(Long and Cheng in At Energy Sci Technol 43:780-784,2009).The power supply has two control modes:local operation and remote operation as reported by Lu(Particle accelerator technology,Hunan University,Changsha,2010).Results The test shows that all power supplies meet the indicator requirements,with a stability of less than 100 *** The strip electrode power supply can effectively correct the multipole integral field error and improve the integral field performance of the wiggler.

关键词： Strip electrode power supply full bridge converter Digital control-High stability

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