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首页> 外文会议>International Symposium on Electromagnetic Launch Technology >Delay characteristics of triggered vacuum switch and air spark gap for pulsed power applications
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Delay characteristics of triggered vacuum switch and air spark gap for pulsed power applications

机译：脉冲功率应用触发真空开关的延迟特性和脉冲电源的空气火花隙

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The closing switch is the main device to control the power supply of an ElectroMagnetic Launcher (EML) system. Five types of closing switches which included two triggered vacuum switches (TVSs), named TVS-1 and TVS-2, and three air spark gaps (ASGs) named ASG-1 , ASG-2 and ASG-3 with different configurations in a trigger unit are described for investigating the delay characteristics, high current capacity and erosion characteristics. An LC resonant circuit was set up and connected with the TVS's and ASG's main electrodes. A design circuit for controlling the TVS and ASGs is proposed. The trigger energy of the controller can be adjusted conveniently. By means of changing the trigger energy, the experimental data show that the delay time and jitter time decrease with increasing the trigger energy. The delay time and jitter time decrease magnificently with increasing the voltage in main gap. The improvement in the structure and controller of the TVS and ASG is a good way of decreasing the delay time and jitter time. It shows that TVS-2 has better performance in delay time and jitter time than TVS-1. Generally, ASG-2 and ASG-3 have shorter delay time than TVS-1 and TVS-2, as the initial plasma would be generated much more easily and quickly in the air than that in the vacuum case. The ASG has a shorter delay time and lower needed minimum breakdown voltage than the TVS. With a trigger energy of 0.064J, it is possible to fire the TVS and ASGs. The results show that the TVS is a better choice than the ASG with insignificant erosion.
机译：关闭开关是控制电磁启动器（EML）系统电源的主设备。五种类型的关闭交换机包括两个触发的真空开关（TVS），名为TVS-1和TVS-2的三个空气火花隙（ASG），名为ASG-1，ASG-2和ASG-3，触发器中具有不同的配置描述用于研究延迟特性，高电流能力和侵蚀特性的单元。将LC谐振电路设置并与TVS和ASG的主电极连接。提出了一种用于控制TVS和ASG的设计电路。控制器的触发能量可以方便地调整。通过改变触发能量，实验数据表明，随着触发能量的增加，延迟时间和抖动时间减小。随着主要间隙中的电压增加，延迟时间和抖动时间略微降低。电视和ASG的结构和控制器的改进是降低延迟时间和抖动时间的好方法。它显示TVS-2在延迟时间和抖动时间方面具有比TVS-1更好的性能。通常，ASG-2和ASG-3具有比TVS-1和TVS-2更短的延迟时间，因为初始等离子体将在空气中更容易且快速地产生比真空壳中的等离子体更容易和快速。 ASG具有比TVS更短的延迟时间和更低所需的最小击穿电压。触发能量为0.064J，可以发射电视和ASG。结果表明，电视比ASG具有微不足道的侵蚀，电视是更好的选择。

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