绝缘子表面电场分布的数值仿真  

Numerical Simulation of Electric Field Distribution ofInsulator Surface

作　　者：成俊奇[1] 丁立健[1] 

机构地区：[1]中国电力科学研究院,北京100192

出　　处：《电瓷避雷器》2009年第6期16-18,共3页Insulators and Surge Arresters

摘　　要：通过电磁场有限元软件ANSYS仿真,构建了绝缘子三维模型,分析绝缘子表面导电颗粒长度以及不均匀系数对闪络电压的影响。仿真结果表明,闪络电压随着颗粒长度的增加而减小,电场强度随着颗粒长度的增加有饱和的趋势。仿真结果与实验结果有较好的对应关系。Using finite element program ANSYS for simulation electromagnetic field, a three- dimensional model of insulator was constructed. Based on this model, the effect of the length of conductive particle and the uneveness factor of flashover voltage was analyzed. The simulation result indicates that flashover voltage has a decrease tendency with increasing of particle length, electric field strength had a saturation tendency with increasing of particle length. The simulation results are consistent with experiments.

关 键 词：闪络电压 绝缘子 导电颗粒 

分 类 号：TM216[一般工业技术—材料科学与工程]