| 紫外成像法在变电站电晕放电检测中的应用研究 |
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| 引用本文： | 王胜辉,律方成,李燕青,李和明,武建华.紫外成像法在变电站电晕放电检测中的应用研究[J].高压电器,2010,46(2). |
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| 作者姓名： | 王胜辉 律方成 李燕青 李和明 武建华 |
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| 作者单位： | 1. 华北电力大学电气与电子工程学院,河北,保定,071003
2. 河北省电力公司超高压输变电分公司,河北,石家庄,050070 |
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| 摘 要： | 电晕是变电站内十分普遍的一种放电现象,也是高压设备可能存在缺陷或故障的征兆信号。采用"日盲"型紫外成像仪在不同的气象环境下对多座500 kV变电站进行了现场检测,发现了部分设备的电晕放电现象。对上述放电现象进行了分类,并对放电原因进行了分析,结合实验室的研究和现场测试,提出了结合设备的放电位置、放电强弱、放电形态、放电机理并结合气象因素进行放电评估的综合分析方法,实际应用证明了该方法的有效性。
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| 关 键 词： | 变电站 电晕放电 紫外成像法 试验研究 现场检测 放电评估 |
Application of UV Imaging Method to Corona Discharge Detection in Substation |
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| WANG Sheng-hui,L Fang-cheng,LI Yan-qing,LI He-ming,WU Jian-hua.Application of UV Imaging Method to Corona Discharge Detection in Substation[J].High Voltage Apparatus,2010,46(2). |
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| Authors: | WANG Sheng-hui L Fang-cheng LI Yan-qing LI He-ming WU Jian-hua |
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| Affiliation: | 1.School of Electrical and Electronic Engineering;North China Electric Power University;Baoding 071003;China;2.Hebei Electric Corporation Extra-high Voltage Transmission & Transformation Branch;Shijiazhuang 050070;China |
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| Abstract: | Several 500 kV electric substations are detected with a solar blind type UV imager under different weather conditions,and corona discharges are found in some equipments.The discharge phenomena are classified,and the causes of discharge are analyzed.Combining laboratory research and on-site tests,a comprehensive estimation method of corona discharge is proposed,in which discharge location,discharge strength,discharge pattern,discharge mechanism and meteorological factors are taken into account.Practical appl... |
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| Keywords: | substation corona discharge UV imaging method experimental research on-site detection discharge estimation |
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