| 电极结构对触发管型开关击穿特性的影响 |
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| 引用本文： | 党腾飞,尹佳辉,孙凤举,王志国,姜晓峰,曾江涛,魏浩,邱爱慈.电极结构对触发管型开关击穿特性的影响[J].强激光与粒子束,2015,27(6):065004. |
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| 作者姓名： | 党腾飞 尹佳辉 孙凤举 王志国 姜晓峰 曾江涛 魏浩 邱爱慈 |
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| 作者单位： | 1.西北核技术研究所, 强辐射脉冲环境模拟与效应国家重点实验室, 西安 71 0024 |
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| 摘 要： | 基于600kV触发管型SF6气体开关,设计了三种具有典型电场分布的电极结构,计算分析了各个场分布特点,在-600kV/400ns脉冲电压下对不同电极结构进行了击穿特性实验,分析了场分布对开关击穿特性的影响。实验结果表明:三种结构中平头形电极触发击穿模式与其欠压比相关,触发抖动较小;球头形电极自击穿电压抖动最小,能够稳定工作于长时间触发击穿模式;锥头形电极击穿模式较不稳定,可能与其两个间隙击穿特性较相近有关。
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| 关 键 词： | 触发管 气体开关 电极结构 击穿特性 |
| 收稿时间： | 2014-12-05 |
Influence of electrode structure on breakdown characteristics of trigatron switch |
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| Affiliation: | 1.State Key Laboratory of Intense Pulsed Radiation Simulationg and Effect,Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China |
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| Abstract: | Three types of electrode structures with typical electric field distribution are designed based on 600 kV SF6 trigatron switch. The breakdown characteristics of each structure are obtained on -600 kV / 400 ns pulse generator. With analyzing electric field uniformity of each structure, it is shown that the trigger breakdown mode of the planar electrode is related to the switch work ratio, and this structure has a small trigger jitter. Spherical electrodes jitter of self breakdown voltage is little, and it can stably work under long time trigger breakdown mode. Conical electrode has a very unstable trigger mode, it is possibly because of is likely to be the close breakdown characteristics of the two gaps. |
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