高压电器2017，Vol.53Issue(6)：154-160,166,8.DOI:10.13296/j.1001-1609.hva.2017.06.026
高压开关柜内部电场仿真及其影响因素分析
Simulation of Internal Electric Field of High-voltage Metal-enclosed Switchgear and Influencing Factors
摘要
Abstract
Considering the complexity of actual switchgear structures,a 3D finite element model of the electric field in a high-voltage metal-enclosed switchgear is built by using the sub-area modeling and partial subdividing methods.Hence,the distribution and concentration areas of the electric field in the bus cabinet of the switchgear are obtained.The most concentrative areas of electric field,such as the areas of wall bushing and contact box,are simulated.The numerical analysis technique is adopted to analyze the effects of insulating spacer,grading ring and shield on the local electric field distribution,and corresponding optimization is performed.In addition,a 3D finite element model of busbar overlapping bolt to obtain the reference value of maximum number of exposed bolt threads for different interval.This research may provide a reference for improving electric field distribution in switchgear,increasing insulation level,and guiding on-site maintenance.关键词
高压开关柜/有限元法/电场分析/优化Key words
high-voltage metal-enclosed switchgear/finite element method/electric field analysis/optimization引用本文复制引用
贾勇勇,杨景刚,高山,陶风波,邹海,张国钢..高压开关柜内部电场仿真及其影响因素分析[J].高压电器,2017,53(6):154-160,166,8.基金项目
江苏省电力公司科技项目(J2014035) （J2014035）
国家自然科学基金项目(51407026).Project Supported by Science and Technology Project of Jiangsu Electric Power Company(J2014035),National Natural Science Foundation of China(51407026). （51407026）
