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大库仑两电极气体开关静态特性
引用本文:赖贵友,杨兰均,郭良福,力一峥,李冬梅,周丕璋,栾永平,陈德怀,陈清海.大库仑两电极气体开关静态特性[J].强激光与粒子束,2009,21(1).
作者姓名:赖贵友  杨兰均  郭良福  力一峥  李冬梅  周丕璋  栾永平  陈德怀  陈清海
作者单位:1. 中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900;2. 西安交通大学 电力设备电气绝缘国家重点实验室, 西安 710049
摘    要: 研制了大电流、大库仑两电极气体开关,并研究了其静态特性,给出了开关自击穿概率拟合公式。结果显示:自击穿电压与工作气压基本呈线性递增关系;随着气压的升高,自击穿电压的分散性逐渐增大。数值模拟和实验对比显示,开关自击穿电压的分散性基本满足两参数威布尔分布。该项研究成果能够为选择开关的工作电压及充气压力提供参考,以满足能源系统可靠性的要求。

关 键 词:气体开关  脉冲功率技术  自击穿电压
收稿时间:1900-01-01;

Static characteristic research of high-Coulomb two electrode spark gap switch
Lai Guiyou,Yang Lanjun,Guo Liangfu,Li Yizheng,Li Dongmei,Zhou Pizhang,Luan Yongping,Chen Debuai,Chen Qinghai.Static characteristic research of high-Coulomb two electrode spark gap switch[J].High Power Laser and Particle Beams,2009,21(1).
Authors:Lai Guiyou  Yang Lanjun  Guo Liangfu  Li Yizheng  Li Dongmei  Zhou Pizhang  Luan Yongping  Chen Debuai  Chen Qinghai
Institution:1. Research Center of Laser Fusion, CAEP, P.O. Box 919-988, Mianyang 621900, China;2. State Key Laboratory of Electrical Insulation for Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China
Abstract:A high-Coulomb two-electrode spark gap switch was developed. Its static characteristic was studied and the fitting formula for its self-breakdown probability was derived. It is found that the self-breakdown voltage increases linearly with the working gas pressure, and the voltage becomes more dispersive as the pressure increases. The comparison results between numerical simulation and experiments show that, the self-breakdown probability agrees well with the Welbull relationship with two parameters. This work could be a reference for the selection of switch working pressure and inflated-gas pressure, which meets the stability demand of the power conditioning system.
Keywords:pulse power technology  self-breakdown voltage
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