冲击磁铁回路电感对传输线放电的影响  

Effect of kicker circuit inductance on the transmission-line discharging

作　　者：冯德仁[1] 王相綦[1] 尚雷[1] 裴元吉[1] 樊宽军[1] 

机构地区：[1]中国科学技术大学国家同步辐射实验室,安徽合肥230029

出　　处：《强激光与粒子束》2004年第2期231-234,共4页High Power Laser and Particle Beams

基　　金：国家自然科学基金资助课题(10175062)

摘　　要：　分析了脉冲调制器产生短脉冲时冲击磁铁回路电感对脉冲前后沿和宽度不可忽略的影响,从理论上导出了冲击磁铁回路电感与脉冲前后沿的关系,给出并分析了几组实验结果,提出了采用屏蔽结构和适当增加阻抗等两种可行的减小脉冲前沿的方案。Circuit inductance exists at discharging circuit of transmission-line, and it includes the inductance at the main switch of thyratron when conducts, the linking inductance between the linking cables, the matching resistance inductance and the load inductance. When a long pulse is generated by transmission-line, the circuit inductance can be omitted. However, when the pulse is short (such as shorter than 200 ns), especially when ferromagnetic core kicker acts as the load, the effect is obvious. The short pulse current is needed in order to generate long time interval synchronous radiation light pulses by using online assembly of pulse convex orbit and DC convex orbit. This paper analyses the effect and presents several experimental results. It also supposes two practical cases to decrease the rise time of the pulse.

关 键 词：传输线放电 冲击磁铁 回路分布电感 脉冲调制器 脉冲前后沿 加速器 

分 类 号：TL503.3[核科学技术—核技术及应用]