基于Marx自激监测控制的闪光照相试验可靠性提高技术研究
High Power Laser and Particle Beams（2022）
Abstract
强流直线感应加速器(LIA)主要应用于闪光照相试验,对其工作可靠性的要求很高.但LIA中包含了庞大的高电压脉冲功率系统,在充电及等待时期,存在发生自激的可能性,从而导致试验失败,并造成重大经济损失及严重影响.从对Marx等装置发生自激后进行立即监测控制的角度,提出了一种提高闪光照相试验可靠性的方法,并研制了可靠性高、适应各种高压放电装置的无源放电检测探头,采用大规模可编程集成电路作为系统中的逻辑处理单元,提高了系统集成度,降低了线路的复杂程度,降低了系统调试的难度,研制的监测控制器可方便地进行监测路数的扩充,适应多达几十路放电装置的检测与监控.功率系统装置自激后,自激监测控制系统响应速度快,最快可以达到100 ns级,且系统抗干扰能力强,满足在闪光试验环境工作的要求,达到了在一定程度上提高闪光照相试验可靠性的目的.
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