基于改进表面电荷法的空间电容计算  

Computation of Three Dimensional Capacitance Based on an Improved Surface Charge Simulation Method

作　　者：马晓伟 穆薇[2] 向异 张晶 

机构地区：[1]西北电网有限公司,西安710048 [2]陕西汉中供电局,陕西汉中723000 [3]陕西省电力公司,西安710048

出　　处：《电网与清洁能源》2008年第12期34-37,共4页Power System and Clean Energy

摘　　要：改进了三维空间表面电荷法,利用曲面单元对设备结构进行了剖分,给出了数值离散格式,对均压环对地、平板对地的空间电容数值进行了计算,并将计算结果与测量值进行了比较分析。结果分析表明,计算值与测量值有相当好的一致性。An improved three dimensional surface charge simulation method is developed for effective computation of stray capacitance of electric apparatus with the presence of multi-dielectrics,and the corresponding program and numerical discrete formula is analyzed in detail.And capacitance of grading ring and plane against ground are calculated,they are consistent with the measurement value.

关 键 词：分布电容 数值计算 表面电荷法 

分 类 号：TM744[电气工程—电力系统及自动化]