| 真空中激光触发脉冲电压下绝缘材料闪络特性 |
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| 引用本文： | 潘如政,王珏,严萍,孙广生,欧阳文敏,孙连华,李敏堂.真空中激光触发脉冲电压下绝缘材料闪络特性[J].强激光与粒子束,2010,22(3). |
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| 作者姓名： | 潘如政 王珏 严萍 孙广生 欧阳文敏 孙连华 李敏堂 |
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| 作者单位： | 1. 河北工业大学 电磁场与电器可靠性省部共建重点实验室， 天津 300130；2. 中国科学院 电工研究所， 北京 100190 |
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| 基金项目： | 国家自然科学基金项目 |
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| 摘 要： | 搭建了真空中脉冲电压下激光触发沿面闪络试验平台,在试验平台上进行常用开关绝缘介质尼龙、聚碳酸酯和Al2O3陶瓷的激光触发沿面闪络特性试验,探讨了真空中激光触发沿面闪络的机理。试验结果表明:聚碳酸酯试品的自闪络电压最高;在真空中脉冲电压下的激光触发沿面闪络试验中,随着激光能量密度的增大,3种材料的时延和抖动均减小;532 nm和1 064 nm波长激光触发的条件下,3种材料的抖动均在1 ns左右,聚碳酸酯抖动较小;532 nm波长激光触发的时延小于1 064 nm波长激光触发的时延。
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| 关 键 词： | 沿面闪络开关 真空闪络 激光触发 闪络特性 脉冲电压 |
| 收稿时间： | 1900-01-01; |
Laser-triggered flashover characteristics of insulations in vacuum condition under pulsed voltage |
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| Pan Ruzheng,Wang Jue,Yan Ping,Sun Guangsheng,Ouyang Wenmin,Sun Lianhua,Li Mintang.Laser-triggered flashover characteristics of insulations in vacuum condition under pulsed voltage[J].High Power Laser and Particle Beams,2010,22(3). |
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| Authors: | Pan Ruzheng Wang Jue Yan Ping Sun Guangsheng Ouyang Wenmin Sun Lianhua Li Mintang |
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| Institution: | 1. Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, Hebei University of Technology, Tianjin 300130, China;2. Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | The surface flashover characteristics of insulations are studied,which are used in the laser-triggered surface flashover switch in vacuum.The experimental platform of laser-triggered surface flashover under pulsed voltage was built in the laboratory.Based on the platform,the experiment of laser-triggered surface flashover was carried out using flat electrodes and three kinds of column insulations,whose materials are nylon,polycarbonate and Al2O3,respectively.The results show that the self-flashover voltage ... |
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| Keywords: | surface flashover switch vacuum flashover laser trigger flashover characteristics pulsed voltage |
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