| 环形电极单间隙电晕放电伏安特性 |
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| 引用本文： | 姜晓峰,梁天学,王志国,孙凤举,丛培天,尹佳辉,魏浩,张众. 环形电极单间隙电晕放电伏安特性[J]. 强激光与粒子束, 2012, 24(4): 835-838. DOI: 10.3788/HPLPB20122404.0835 |
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| 作者姓名： | 姜晓峰 梁天学 王志国 孙凤举 丛培天 尹佳辉 魏浩 张众 |
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| 作者单位： | 1.西北核技术研究所, 西安 71 0024 |
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| 基金项目： | 国家自然科学基金项目，国家重大专项基金项目 |
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| 摘 要： | 基于用于直线变压器型驱动源的多间隙气体开关结构，提出一种环形放电间隙与电晕针并联的气体火花间隙。通过测量间隙耐压过程中电晕放电的伏安特性，研究了气体介质、气压、电晕极性、电晕针长度以及针尖对应电极结构等因素对伏安特性的影响。结果表明:以空气为绝缘气体，负极性电晕可获得较稳定的伏安特性；改变电晕针长度和针尖对应电极结构可方便地实现对电晕放电伏安特性的调节以满足开关要求。
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| 关 键 词： | 电晕放电 气体开关 伏安特性 直线型变压器驱动源 环形电极 |
| 收稿时间： | 2011-10-08 |
V-I characteristics of corona gas gap for annular electrode |
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| Jiang Xiaofeng , Liang Tianxue , Wang Zhiguo , Sun Fengju , Cong Peitian , Yin Jiahui , Wei Hao , Zhang Zhong. V-I characteristics of corona gas gap for annular electrode[J]. High Power Laser and Particle Beams, 2012, 24(4): 835-838. DOI: 10.3788/HPLPB20122404.0835 |
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| Authors: | Jiang Xiaofeng Liang Tianxue Wang Zhiguo Sun Fengju Cong Peitian Yin Jiahui Wei Hao Zhang Zhong |
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| Affiliation: | 1.Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China |
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| Abstract: | A gas spark gap for LTD (linear transformer driver) switch is studied. The gap has a configuration of an annular gap and a corona needle in parallel. The V-I characteristics of corona discharge in the gap are tested. The effects of different factors including gas types, gas pressures, corona polarity and configuration of the electrode on the V-I characteristics are investigated. The experimental results show that negative corona in electronegative gas has good stability. An effective way to meet the needs of the switch is adjusting the length of the corona needle or the configuration of the electrode. |
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| Keywords: | corona discharge gas switch V-I characteristic linear transformer driver annular electrode |
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