纳秒脉冲下单间隙伪火花放电特性  

Breakdown characteristics of single-gap pseudospark under nanosecond pulse voltage

作　　者：张佳[1] 赵军平[1] 张乔根[1] 

机构地区：[1]电力设备电气绝缘国家重点实验室(西安交通大学),西安710049

出　　处：《强激光与粒子束》2014年第4期211-214,共4页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(51177132);强脉冲辐射环境模拟与效应国家重点实验室基金项目

摘　　要：采用单间隙伪火花放电装置,研究了纳秒脉冲下气压、间隙距离和小孔直径对伪火花放电特性的影响。研究结果表明,纳秒脉冲下伪火花放电电压随着气压、间隙距离和小孔直径的增加而减小。通过数值拟合,得到了放电电压与气压、间隙距离和小孔直径间的经验公式。放电电压随着气压、间隙距离和小孔直径的增加而减小,衰减系数分别为0.76,0.39和0.39。In this paper,an experimental investigation on pseudospark discharge behaviors was conducted under nanosecond pulse using a flexible discharge chamber.The influences of gas pressure,anode-cathode gap distance and hole diameter on the breakdown voltages were studied.The study results showed that the breakdown voltage decreased with the increasing of the pressure,gap distances and the hole diameter.In the end,an empirical formula was obtained.The attenuation coefficients were 0.76, 0.39and 0.39,respectively.

关 键 词：纳秒脉冲 单间隙伪火花放电 放电电压特性 间隙距离 小孔直径 

分 类 号：TN134.4[电子电信—物理电子学]