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Experimental Study of the Multi-gap Multi-channel Gas Spark Closing Switch 被引量:2
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作者 孙凤举 曾江涛 +3 位作者 邱爱慈 张嘉生 尹佳辉 邱毓昌 《Plasma Science and Technology》 SCIE EI CAS CSCD 2001年第4期871-876,共6页
A coaxial multi-gap multi-channel spark switch with stainless-steel-spring ring gap electrodes is designed and investigated. The switch is triggered by a pulse applied to the cylindrical electrode outside the discharg... A coaxial multi-gap multi-channel spark switch with stainless-steel-spring ring gap electrodes is designed and investigated. The switch is triggered by a pulse applied to the cylindrical electrode outside the discharging channel through a parasitic capacitance coupling. The jitter of the switch is reduced by several short-distance gas gaps in series, and its inductance is reduced by a multi-channel discharge on account of the inductance isolation between the coils of the spring ring electrode. The experimental results indicate that the switch is of low inductance (15-30 nH), low jitter (-3 ns), and stable breakdown performance 展开更多
关键词 Experimental Study of the Multi-gap Multi-channel gas spark Closing switch MMCS
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A Multi-Gap Multi-Channel Gas Switch for the Linear Transformer Driver 被引量:3
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作者 刘轩东 梁天学 +4 位作者 孙凤举 姜晓峰 李佳 孙福 邱爱慈 《Plasma Science and Technology》 SCIE EI CAS CSCD 2009年第6期725-729,共5页
A multi-gap and multi-channel gas switch with convexo-convex discal planet electrodes was designed and investigated. Eight gaps are formed in series by a trigger electrode, six intermediate electrodes and two high vol... A multi-gap and multi-channel gas switch with convexo-convex discal planet electrodes was designed and investigated. Eight gaps are formed in series by a trigger electrode, six intermediate electrodes and two high voltage electrodes with a uniform gap length of 5 ram. The self breakdown and triggered breakdown performance of the switch are reported. Both the delay time and jitter decrease with the increase in the trigger voltage, switching coefficient and the decrease in the trigger isolating resistor. The delay time of the switch is about 40 ns, and the jitter is less than 2 ns when charged with 4-85 kV and triggered by a voltage pule of -75 kV. The inductance of the switch is about 30 nH. 展开更多
关键词 multi-gap multi-channel gas spark closing switch linear transformer driver delay time JITTER
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