C波段高功率速调管脉冲调制器设计  

Designing a High Power Pulse Modulator Used for C-Band Klystron

作　　者：刘永芳[1,2,3] 周孝轩 陈志豪[1,3] 吴勇华 谷鸣[1,3] 袁启兵 LIU Yong-fang;ZHOU Xiao-xuan;CHEN Zhi hao;WU Yong-hua;GU Ming;YUAN Qi-bing(Shanghai Institute of Applied Physics,Chinese Academy of Sciences»Shanghai 201800,China;University of Chinese Academy of Sciences,Beijing 100049,China;Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai 201210,China)

机构地区：[1]中国科学院上海应用物理研究所,上海201800 [2]中国科学院大学,北京100049 [3]中国科学院上海高等研究院,上海201210

出　　处：《核电子学与探测技术》2020年第5期764-768,共5页Nuclear Electronics & Detection Technology

基　　金：国家自然科学基金项目(11675250);国家重点研发计划(614103061)。

摘　　要：为满足高梯度紧凑型电子直线加速结构的需求,设计了一种用于C波段速调管的脉冲调制器。该脉冲调制器基于恒流充电电源充电,氢闸流管放电,脉冲形成网络储能放电形成脉冲。该脉冲调制器的负载为高功率速调管,设计指标为脉冲电压350kV,脉冲电流320A,重复频率10Hz,重复稳定性优于0.02%。实验测试结果表明:实测结果均达到设计指标。With the development of accelerator technology,C band accelerating structure is applied in Shanghai soft X-ray Free Electron Lasers(SXFEL).This paper designs a high power pulse modulator used for 50 MW C-band klystron.The pulse modulator uses thyratron as high voltage switches and pulse forming network to generate pulse waveform.The main parameters of the modulator-klystron systems are peak beam voltage 350 kV,peak beam current 320 A,2.5μs flat-top pulse width and 10Hz repetition rate.The relevant experiments show that this pulse modula-tor can meet the requirement of 50 MW C-band klystron.

关 键 词：脉冲调制器 速调管 闸流管 脉冲变压器 脉冲形成网络 

分 类 号：TN78[电子电信—电路与系统]