Characterization of charge distribution on the high voltage glass insulator string

被引:10
作者
Othman, N. A. [1 ]
Piah, M. A. M. [1 ]
Adzis, Z. [1 ]
Ahmad, H. [1 ]
Ahmad, N. A. [1 ]
Kamarden, H. [1 ]
Suleiman, A. A. [1 ]
机构
[1] Univ Teknol Malaysia, Fac Elect Engn, Inst High Voltage & High Current, Johor Baharu 81310, Malaysia
关键词
Charge distribution; Electric-field distribution; Voltage distribution; Glass insulator; Finite element software; Transmission line; SPACE-CHARGE; LEAKAGE CURRENT;
D O I
10.1016/j.elstat.2014.05.003
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
Irregularity in charge distribution of an insulator may lead to accelerated aging and electrical breakdown. However, knowledge of charge distribution on the insulation surface is still insufficient albeit has gained worldwide attention. The insufficiency is particularly on the charge profile along the string insulator under AC excitation. Therefore, charges distributions on the surfaces of glass insulators without installed grading ring are investigated in this paper. Simulation and experimental results were found in good agreement when studying the charge distribution pattern along glass insulator string where the polarity of charge swinging occurs at the center of suspension string insulator of I-type. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:315 / 321
页数:7
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