电工技术学报2019，Vol.34Issue(2)：203-211,9.DOI:10.19595/j.cnki.1000-6753.tces.180150
应用快速多极子曲面边界元法的换流阀塔电场计算
Calculating of Electric Field of Converter Valve Tower by Using Fast Multipole Curved Boundary Element Method
摘要
Abstract
The accurate and rapid calculation of electric field of DC converter valve tower has guiding significance in the design process.However, the structure of tower is complex and large, and the multi-media exists.The numerical analysis has great difficulty.Therefore, the fast multipole curved boundary element method considering multi-media was proposed.Based on the multiple dielectrics boundary integral equation of the electrostatic field, the problem of the multi-media was solved.The fast multipole expansion type for multi-media was proposed.The improved fast multipole method was used to accelerate the curved boundary element method based on coordinate transformation, which improved the calculation accuracy and reduce the computational cost.Compared with different methods, the accuracy and efficiency of the algorithm were verified by the insulator model with corona ring.The effect of insulators on the electric field of fittings as well as the distribution of the voltage and electric field of insulators was analyzed by using converter valve tower model.With this method, the electric field of ±160kV converter valve single bridge model is analyzed.This method is suitable for analyzing the large-scale problem of multi-media coexistence, which is an effective tool for optimizing the design of converter valve tower.关键词
换流阀塔/静电场/绝缘子/曲面边界元/快速多极子Key words
Converter valve tower/electrostatic field/insulator/curved boundary element method/fast multipole分类
信息技术与安全科学引用本文复制引用
王泽忠,石雨鑫,刘丽平..应用快速多极子曲面边界元法的换流阀塔电场计算[J].电工技术学报,2019,34(2):203-211,9.基金项目
中央高校基本科研业务费资助项目(2017XS006) （2017XS006）
