Calculation of electric field and potential distribution along nonceramic insulators considering the effects of conductors and transmission towers

被引：82
|
作者：
Zhao, TB [1 ]
Comber, MG [1 ]
机构：
[1] Ohio Brass Co, Hubbell Power Syst, Wadsworth, OH 44281 USA
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2000年 / 15卷 / 01期
关键词：
boundary element method; conductors; electric field calculation; grading devices; nonceramic insulators; transmission towers;
D O I：
10.1109/61.847268
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Calculation of the electric field and potential distribution is extensively performed in the design and development of nonceramic insulators for high voltage transmission applications. This paper applies a two-dimensional (2-D) and a three-dimensional (3-D) electric field analysis program to calculate the field distribution of the insulators under clean and dry conditions. A three-phase 345 kV transmission tower with nonceramic suspension insulators (two I-strings and one V-string) was analyzed with each phase as an individual case. The effects of conductors, tower configurations and grading devices on the electric field and potential distribution along the insulators were investigated. The calculation results show that the factors investigated have different levels of effects on the distribution.
引用
收藏
页码：313 / 318
页数：6
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