[1]史志强,邓维,罗日成,等.氧化锌避雷器受潮与电气参数的关系[J].高压电器,2019,55(04):233-238.[doi:10.13296/j.1001-1609.hva.2019.04.033]
 SHI Zhiqiang,DENG Wei,LUO Richeng,et al.Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester[J].High Voltage Apparatus,2019,55(04):233-238.[doi:10.13296/j.1001-1609.hva.2019.04.033]
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氧化锌避雷器受潮与电气参数的关系()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第55卷
期数:
2019年04期
页码:
233-238
栏目:
技术讨论
出版日期:
2019-04-15

文章信息/Info

Title:
Relation Between Moisture and Electrical Parameters of Zinc Oxide Arrester
文章编号:
0233-0238
作者:
史志强1 邓维2 罗日成1 潘俊文3 魏绍东2 李婧娴3 陶莹3 薛韵辞3
1. 长沙理工大学电气与信息工程学院,长沙410004;2. 国网湖南省电力公司检修公司,长沙410015;3. 国网湖北省电力 有限公司随州供电公司,湖北随州441300)
Author(s):
SHI Zhiqiang1DENG Wei2LUO Richeng1PAN Junwen3WEI Shaodong2LI Jingxian3 TAO Ying3XUE Yunci3
1. School of Electrical and information Engineering,Changsha University of Science & Technology,Changsha 410004,China; 2. Hunan Electric Power Corporation Maintenance Company,Changsha 410015,China;3. Suizhou Power supply Company of Hubei Electric Power Company,Hubei Suizhou 441300,China
关键词:
氧化锌避雷器电气参数受潮位置全电流阻性电流分量
Keywords:
zinc oxide arresterelectrical parametersmoisture positionfull currentresistive current component
DOI:
10.13296/j.1001-1609.hva.2019.04.033
摘要:
为能够有效监测氧化锌避雷器在线状态,及时发现故障,避免重大事故发生,对500 kV 无间隙瓷外套 氧化锌避雷器在不同受潮位置下各类电气参数的变化进行了试验,分析了全电流、阻性电流分量、阻性电流 3次谐波、5次谐波、有功损耗、相位角对氧化锌避雷器受潮反应灵敏度的关系。试验结果表明:受潮位置不 同,MOA各个电气参数的变化也不同;全电流、相位角对MOA受潮反应灵敏度不够,只能作为对MOA受潮进 行判断的初步依据;阻性电流分量、阻性电流3次谐波相结合可作为判别MOA受潮位置的依据;阻性电流 5次谐波与有功损耗对MOA受潮反应灵敏度高,可作为监测MOA运行状态的重要参量。在试验室对500 kV MOA不同受潮位置下各个电气参数进行了试验研究分析,因氧化锌避雷器实际运行时的周围环境与试验室 环境差异较大,所得结论可供读者参考。
Abstract:
For the purpose of monitoring the status of MOA which is in services effectively and discover the potential causes of accidents of MOA timely,which is able to prevent the accidents from being expanded. The variation in the electrical parameters of 500 kV zinc oxide arrester that is tested under different moisture positions is studied in the lab. The relationship between the full current,the resistive current component,the third harmonic of the resistive current,the fifth harmonic of the resistive current,the active power loss and the phase angle on the sensitivity of the surge arrester(zinc oxide)is analyzed. The experimental results show that the variation of the electrical parameters of MOA is different under different moisture positions; the total current,the phase angle are not sensitive to the mois? ture sensitivity of MOA,which can only be used as the basis for the judgment of MOA moisture; the combination of resistive current component and third harmonic current can be used as a basis for judging the location of MOA; the fifth harmonic of resistive current and the active power loss have a high sensitivity to MOA,which can be used as an important parameter to monitor the running state of MOA. In this paper,the electrical parameters of 500 kV MOA un? der different moisture positions are tested and analyzed in the laboratory. Because of the difference between the ambi? ent environment and the laboratory environment of the actual operation of zinc oxide arrester,the conclusions ob? tained in this paper are for reference only.

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备注/Memo

备注/Memo:
收稿日期:2018?08?30; 修回日期:2018?10?31; 史志强(1991—),男,硕士,研究生,研究方向为电力系 统过电压等。 页码:238+244
更新日期/Last Update: 2019-04-16