文档介绍：科技论文纠错电气工程及其自动化(文中错误用斜体及下划线示出,并在其后括号中写出错误原因及修改后的语句) 基于有限元法的高压 SF 6 断路器三维电场分析曹云东,华争祥,刘晓明,韩先鹤( 沈阳工业大学电气工程学院,辽宁沈阳 110870) 摘要: 为了满足多介质复杂结构的三维电场逆问题对三维电场数值计算提出的高精度和高效率要求,本文以有限元方法为基本理论,编制了基于四面体网格剖分的三维电场有限元计算平台。运用计算平台对高压 SF断路器灭弧室内的三维电场进行了准确计算, 根据灭弧室内的电场分布对动触头结构进行优化分析,得到了高压 SF 断路器内部等位线分布图、等电场强度分布图和不同动触头结构下的最大电场强度值。算例计算结果证明了计算平台能够被应用于三维电场逆问题求解(“被”字多余,应该改为“算例计算结果证明了计算平台能够应用于三维电场逆问题的求解”)。关键词: 三维电场逆问题;有限元法; SF断路器;三维电场;数值计算;灭弧室;高压绝缘;电场优化中图分类号: TM501+.4 文献标识码: A Analysis of three dimensional electric field in high voltage SF 6 circuit breaker based on finite element method CAO Yun-dong , HUA Zheng-xiang , LIU Xiao-ming , HAN Xian-he (School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870 , China ) Abstract: In this paper, one kind puting platform was developed based on the finite element method for basic theories and subdivision of tetrahedron for meeting (应该改为“ to meet ”) the requirements of numerical calculation accuracy and efficiency which three dimensional inverse electric problem of multimedia plex structure demanded for. At the same time, three dimensional electric field of SF 6 circuit breaker puted accurately using puting platform and movable contact contour optimization was carried out based on distribution of electric field, obtaining distribution of electric potential, distribution of electric intensity and the largest electric intensity value in the