基于有向赋权图的带电作业平台绝缘安全距离分析
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摘要
考虑到带电作业中多导体在空间分布的情况,构建了一种基于有向赋权图来求解最小安全距离和组合间隙的方法。根据变电站带电作业平台的结构参数、环境参数、流程参数与有向赋权图的权集之间的关系,分析了作业流程参数的可行域。最后,根据分析得到的参数,通过有限元仿真和搭建的等效实验平台进行了验证。
Considering the spatial distribution of the multiple conductors under live working, a method based on directed weighted graph is constructed to solve the minimum approach distance and the complex gap. According to the relationship among the structural parameters of the live working platform in substations, environmental parameters, flow parameters and the weight set of directed weighted graph, the feasible region of the flow parameters under various operating conditions is analysed. Finally, on the basis of the parameters obtained from the above analysis, the finite element simulation is carried out, and the equivalent experimental platform is built for verification.
Considering the spatial distribution of the multiple conductors under live working, a method based on directed weighted graph is constructed to solve the minimum approach distance and the complex gap. According to the relationship among the structural parameters of the live working platform in substations, environmental parameters, flow parameters and the weight set of directed weighted graph, the feasible region of the flow parameters under various operating conditions is analysed. Finally, on the basis of the parameters obtained from the above analysis, the finite element simulation is carried out, and the equivalent experimental platform is built for verification.
引文
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[ 4 ] 肖宾,刘凯,陈磊,等.1 000 kV特高压变电站带电作业绝缘平台研制[J].高压电器,2015(12):■.Computation of the electric field in the vicinity of overhead power line towers[J].Electric Power Systems Research,2016,135:68-76.
[ 6 ] 刘庭,唐盼,周炳凌,等.500 kV线路绝缘斗臂车带电作业安全距离试验[J].高电压技术,2016,42(7):2315-2321.
[ 7 ] ZEMLJARIC B.Calculation of the connected magnetic and electric fields around an overhead-line tower for an estimation of their influence on maintenance personnel[J].IEEE Transactions on Power Delivery,2010,26(1):467-474.
[ 8 ] SHAALAN E M,GHANIA S M,WARD S A.Analysis of electric field inside HV substations using charge simulation method in three dimensional[C]// Electrical Insulation and Dielectric Phenomena.IEEE,2011:1-5.
[ 9 ] HU C,PEI Z,HAN G.Experimental research on minimum approach distances and complex gaps of live working in 110kV substation[C]// IEEE International Conference on High Voltage Engineering and Application.IEEE,2016:1-4.
[10] DL/L 966-2005,送电线路带电作业技术导则[S].北京:中国标准出版社,2009
[11] 陶志远,徐蔚青,王石刚,等.110 kV智能变电站检修机器人带电作业路径规划[J].机械设计与研究,2018,34(1):17-25.
[12] CHE L X,YANG R Q,GU Y,et al.Insulating safety analysis of the hot-line sweeping robot[J].International Journal of Advanced Manufacturing Technology,2006,31(5-6):614-620.
[13] (印)拉温德拉·阿罗拉,(德)沃尔夫冈·莫什.高电压与绝缘工程[M].上海:上海交通大学出版社,2017.