| 低气压条件下间隙型浪涌保护器气体放电特性的试验研究 |
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| 引用本文： | 孙伟,姚学玲,陈景亮.低气压条件下间隙型浪涌保护器气体放电特性的试验研究[J].低压电器,2011(18):12-15. |
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| 作者姓名： | 孙伟 姚学玲 陈景亮 |
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| 作者单位： | 1. 西安建筑科技大学机电工程学院,陕西西安710055;西安交通大学电力设备电气绝缘国家重点实验室,陕西西安710049
2. 西安交通大学电力设备电气绝缘国家重点实验室,陕西西安,710049 |
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| 基金项目： | 陕西省教育厅专项科研计划(11JK0888) |
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| 摘 要： | 针对低压配电系统I类试验浪涌保护器防雷设计要求,研究了低气压条件下气体辉光放电和弧光放电的变化规律及间隙放电的响应时间。试验在低气压条件下进行,试验电压为直流电压,电极材料为钨铜,电极直径10 mm,电极间隙距离2～5 mm。试验结果显示,气体辉光放电到弧光放电的转换时间随着气压的升高而增加;在响应时间小于100 ns条件下,随着间隙距离增加气压范围逐渐减小。对应于间隙距离2、3、5 mm,满足时间小于100 ns条件的气压范围分别为小于100、60、40 Pa。
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| 关 键 词： | 浪涌保护器 气体放电特性 低气压 响应时间 |
Study on Gas Discharge Characteristics for Gap Type Surge Protective Device under Low Atmospheric Pressure |
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| SUN Wei,YAO Xueling,CHEN Jingliang.Study on Gas Discharge Characteristics for Gap Type Surge Protective Device under Low Atmospheric Pressure[J].Low Voltage Apparatus,2011(18):12-15. |
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| Authors: | SUN Wei YAO Xueling CHEN Jingliang |
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| Affiliation: | SUN Wei1,2,YAO Xueling2,CHEN Jingliang2,(1.School of Mechanical and Electrical Engineering,Xi'an University of Architecture and Technology,Xi'an 710055,China,2.State Key Laboratory of Elxctrical Insulation and Power Equipment,Xi'an Jiaotong University,Xi'an 710049,China) |
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| Abstract: | According to the requests of class I test of lightning protection for surge protective device(SPD) in low voltage power distribution system,the glow-to-arc transition and response time were studied.The experiments were carried out in low atmospheric pressure,and in the action of DC voltage.The electrode materials are W-Cu,electrode diameter 10 mm and the distance between two electrodes is 2~5 mm.The results indicate that the time of glow-to-arc transition is increasing with atmospheric pressure increasing;i... |
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| Keywords: | surge protective device(SPD) gas discharge characteristic low atmospheric pressure response time |
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