基于COMSOL的OPGW雷击断股仿真  

Modeling and Simulation of OPGW Lightning Induced Strand Breaking Based on COMSOL

作　　者：王书范 钟杨兴宇 王诚 廖红华 WANG Shu-fan;ZHONG Yangxingyu;WANG Cheng;LIAO Hong-hua(College of Intelligent Systems Science and Engineering,Hubei Minzu University,Enshi Hubei 445000,China;State Grid Hubei Electric Power Co.,Ltd.Jianshi County Power Supply Company,Enshi,Hubei,445000,China)

机构地区：[1]湖北民族大学智能科学与工程学院,湖北恩施445000 [2]国网湖北省电力有限公司建始县供电公司,湖北恩施445000

出　　处：《计算机仿真》2024年第8期88-92,135,共6页Computer Simulation

基　　金：国网湖北省电力有限公司恩施供电公司2022科技项目资助(B715P022004W);国家自然科学基金项目(61463014)。

摘　　要：为了研究光缆结构的改变对光纤复合架空地线(OPGW)雷击断股的影响,应用COMSOL Multiphysics软件对雷击点局部进行仿真,通过仿真不同大小的雷击电流A、B、C分量以及改变架空地线的结构对OPGW进行雷击断股特性分析,以研究雷击电流分量和光缆结构变化对光纤复合架空地线雷击断股的影响。结果表明,雷击电流的A、B、C分量中C分量的破坏性最强,B分量破坏性最弱。在一定范围内增加铝包层厚度、OPGW层数以及内外股股数可以降低雷击后的最大温度,增强OPGW抗雷性能。In order to study the influence of optical cable structure on the strand breakage of optical fiber composite overhead ground wire(OPGW),COMSOL Multiphysics software was used to simulate the local temperature of the lightning strike point.By simulating the lightning current A,B,C components of different sizes and changing the structure of the overhead ground wire,the strand breakage characteristics of OPGW were analyzed.The results show that among the A,B and C components of lightning current,the C component is the most destructive,and the B component is the weakest.Increasing the thickness of aluminum cladding,the number of OPGW layers and the number of inner and outer strands within a certain range can reduce the maximum temperature after lightning strike and enhance the lightning resistance of OPCW.

关 键 词：光纤复合架空地线 断股 仿真 雷击电流 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]