强激光与粒子束2024，Vol.36Issue(7)：169-174,6.DOI:10.11884/HPLPB202436.240063
单路直线变压器驱动源中组件自放电连锁故障影响分析
Influence analysis of cascading failure in linear transformer driver caused by group prefire
摘要
Abstract
A circuit model is established to analyze the possible cascading failure process of group prefire in 28-stage linear transformer driver(LTD).The results show that when a 4-stage group is triggered by mistake,it will cause the entire 28-stage LTD chain action,and the generated fault voltage cannot be limited by the isolation switch at the output of the 28-stage LTD.In addition,when the faulty group is located downstream of the LTD,the voltage propagating upstream along the transmission line will produce a peak field strength on the transmission line of the lower impedance of the first group that is much higher than the normal operations,which may cause the insulation failure of the device.By appropriately increasing the gap between the inner and outer conductors of the transmission line of the first group,the peak field intensity caused by the cascading failure can be weakened without affecting the output amplitude and waveform of the load current,thus improving the reliability of the operation of the device.关键词
直线变压器驱动源/自放电/连锁故障/可靠性Key words
linear transformer driver/prefire/cascading failure/reliability分类
信息技术与安全科学引用本文复制引用
万臻博,丁卫东..单路直线变压器驱动源中组件自放电连锁故障影响分析[J].强激光与粒子束,2024,36(7):169-174,6.基金项目
国家自然科学基金项目(51790524,51790521) （51790524,51790521）
