[1]张月超,李元晟,徐伟凡,等.场畸变气体开关寿命特性研究[J].高压电器,2020,56(03):54-59,66.[doi:10.13296/j.1001-1609.hva.2020.03.008]
 ZHANG Yuechao,LI Yuansheng,XU Weifan,et al.Study on Life Characteristics of Field Distortion Gas Switch[J].High Voltage Apparatus,2020,56(03):54-59,66.[doi:10.13296/j.1001-1609.hva.2020.03.008]
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场畸变气体开关寿命特性研究()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第56卷
期数:
2020年03期
页码:
54-59,66
栏目:
研究与分析
出版日期:
2020-03-15

文章信息/Info

Title:
Study on Life Characteristics of Field Distortion Gas Switch
作者:
张月超1 李元晟2 徐伟凡2 刘 俊2 何孟兵2
(1. 国网河南省电力公司平顶山供电公司 , 河南 平顶山 467001; 2. 华中科技大学强电磁工程与新技术国家重点实验室,武汉 430074)
Author(s):
ZHANG Yuechao1 LI Yuansheng2 XU Weifan2 LIU Jun2 HE Mengbing2
(1. Pingdingshan Power Supply Company, State Grid Henan Power Company, Henan Pingdingshan 467001, China; 2. State key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China)
关键词:
气体开关 寿命实验 绝缘劣化 电极烧蚀 优化分析
Keywords:
gas switches lifetime experiment insulation deterioration electrode erosion optimization analysis
DOI:
10.13296/j.1001-1609.hva.2020.03.008
摘要:
气体开关为脉冲功率系统中的关键元器件之一,其寿命特性是业界关心的主要性能之一。文中进行了场畸变气体开关的寿命实验,通过分析实验条件下开关约10 000次放电后的绝缘内壁附着物成分,得出了在开关导通电流相对不大的情况下(10 kA)开关失效的主要原因为绝缘劣化,而造成绝缘劣化的主要原因为电弧烧蚀电极导致物质扩散溅射污染绝缘的结论。利用模拟电荷法对开关内电极间隙的电场进行了计算,并使用微粒群(PSO)算法对电极形状进行了优化分析,可以作为使电极尽量均匀烧蚀,提高开关寿命的优化设计算法。
Abstract:
Gas switch is one of the crucial components in pulsed power systems. Its life characteristic is one of the main performance concerned by the industry. In this paper, the life test of the field distortion gas switch is carried out. By analyzing the components of the adherent on the inner wall of the insulation after about 10 000 discharges of the switch under the experimental conditions, it is concluded that the main reason for the failure of the switch(10 kA) under the condition of relatively small conduction current of the switch is the deterioration of the insulation, and the main reason for the deterioration of the insulation is that the arc ablation electrode causes the diffusion sputtering of the material to pollute the insulation. The electric field of the electrode gap in the switch is calculated by the method of simulated charge, and the electrode shape is optimized by the particle swarm optimization (PSO) algorithm, which can be used as the optimal design algorithm to make the electrode ablate as evenly as possible and improve the life of the switch.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-09-18; 修回日期:2019-11-21 基金项目:国家自然基金面上项目(带紫外预电离三电极场畸变开关研究)。 Project Supported by National Natural Science Foundation of China(Research on a UV-preionization, Low Inductance,Long Life Time,Field Distortion Gas Spark Switch).张月超(1972—),男,高级工程师,从事电力系统自动化和电力营销技术工作。 李元晟(1992—),男,博士,研究方向为高电压工程与脉冲功率技术及其应用。 刘 俊(1981—),男,高级工程师,研究方向为高电压工程与脉冲功率技术及其应用。 徐伟凡(1994—),男,硕士,研究方向为高电压工程与脉冲功率技术及其应用。 何孟兵(1971—),男,教授,研究方向为高电压工程与脉冲功率技术及其应用(通讯作者)。
更新日期/Last Update: 2020-03-15