Prediction method for preventing reclosing on permanent fault of shunt compensated EHV/UHV transmission lines

被引:0
|
作者
Wang Zengping [1 ]
Liu Haofang [1 ]
Xu Yan [1 ]
Ma Jing [1 ]
Liu Junling [2 ]
机构
[1] North China Elect Power Univ, Key Lab Power Syst Protect & Dynam Secur M & C, Minist Educ, Baoding 071003, Peoples R China
[2] North China Elect Power Univ, Shengli Engn & Consulting CO LTD, Baoding 071003, Peoples R China
来源
2006 POWER ENGINEERING SOCIETY GENERAL MEETING, VOLS 1-9 | 2006年
关键词
shunt compensated EHV/UHV transmission lines; single-phase reclosing; resonant component; power frequency component; temporary fault; permanent fault; resonant frequency;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A criterion is proposed to distinguish between temporary and permanent faults of shunt compensated EHV/UHV transmission lines. Its compensation criterion is established In order to improve its sensitivity when resonant frequency is high. The performance of the criterion and its compensation criterion is hardly influenced by fault distance, fault earth resistance and the currents of healthy phases. The criterion and its compensation criterion can distinguish between temporary and permanent faults effectively and quickly. Simulation tests show that the conclusions in this paper are correct.
引用
收藏
页码:2100 / +
页数:3
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