[1]孙 伟,郝斯杰,姚学玲,等.基于COMSOL Multiphysics的连续雷电流分量对OPGW断股分析[J].电瓷避雷器,2020,(02):10-14.[doi:10.16188/j.isa.1003-8337.2020.02.002]
 SUN Wei,HAO Sijie,YAO Xueling,et al.Analysis of Strand Breakage of OPGW Based on Continuous Lightning Current Component of COMSOL Multiphysics[J].,2020,(02):10-14.[doi:10.16188/j.isa.1003-8337.2020.02.002]
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基于COMSOL Multiphysics的连续雷电流分量对OPGW断股分析()
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《电瓷避雷器》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年02期
页码:
10-14
栏目:
避雷器
出版日期:
2020-04-25

文章信息/Info

Title:
Analysis of Strand Breakage of OPGW Based on Continuous Lightning Current Component of COMSOL Multiphysics
作者:
孙 伟1 郝斯杰1 姚学玲2 孙晋茹2 黄 杨2 何 群1 王影影1
(1.西安建筑科技大学机电学院,西安 710055; 2.西安交通大学电力设备电气绝缘国家重点实验室,西安 710049)
Author(s):
SUN Wei1 HAO Sijie1 YAO Xueling2 SUN Jinru2HUANG Yang2HE Qun 1WANG Yingying1
(1.School of Mechanical and Electrical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055,China; 2.State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an 710049, China)
关键词:
OPGW 转移电荷 断股 comsol 连续雷电流
Keywords:
OPGW transfer charge broken stock comsol continuous lightning current
DOI:
10.16188/j.isa.1003-8337.2020.02.002
摘要:
光纤复合架空地线(OPGW)的断股严重影响着电力系统的安全稳定性,为了研究雷电流对OPGW断股的影响,应用COMSOL Multiphysics对雷击点局部温度进行仿真,对雷电流C分量单独作用和连续雷电流A、C分量作用下的OPGW断股特性进行分析。结果表明:雷电流C分量对OPGW的破坏性较为严重,转移电荷量是产生断股的主要原因。连续雷电流A、C分量作用产生温度与断股程度均高于C分量单独作用,雷电流A分量对断股有明显影响。仿真结果为今后OPGW的抗雷击性能与机械性能研究提供参考。
Abstract:
The broken stock of the OPGW(optical fiber composite overhead ground wire)severely affects the safety and stability of the power system. To study the effect of the lightning current on the strand breaking of the OPGW, the local temperature of the lightning strike point is simulated using COMSOL Multiphysics, and the C component of the lightning current is used alone. With the continuous lightning currents A, C components under the effect of OPGW broken stock analysis. The results show that the lightning current C component is more destructive to OPGW, and the transfer charge is the main reason for the generation of broken stock. The effects of continuous lightning currents A and C components on the temperature and the degree of strand breaking are both higher than the C component alone, and the lightning current A component has a significant effect on strand breaking. The simulation results provide reference for future research on anti-lightning performance and mechanical performance of OPGW.

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备注/Memo

备注/Memo:
收稿日期:2018-08-04作者简介:孙伟(1965—),男,博士,副教授,硕导,主要研究方向为高电压大电流实验技术及过电压的研究工作。基金项目:国家自然科学基金资助项目(编号:5157715)。
更新日期/Last Update: 2020-04-25