Simulation Analysis on lightning accident of ±500kV DC transmission line based on ATP-EMTP

被引：0

作者：

Yang Li Bin ^{[1
]}

Sima Wen-xia ^{[1
]}

Yang Qing ^{[1
]}

机构：

[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China

来源：

ICHVE 2008: 2008 INTERNATIONAL CONFERENCE ON HIGH VOLTAGE ENGINEERING AND APPLICATION | 2008年

关键词：

DC transmission line; ATP-EMTP; insulator flashover; grounding electrode line; unbalanced current; polar conductor atresia;

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：

This paper calculates and researches on lightning accident of +/-500kV XING-AN DC transmission line in GUANGDONG based on ATP-EMTP. the finding shows that: when a 34.5kA lightning current strike to the positive polar conductor, the grounding electrode line would produce the unbalanced current as soon as the over-voltage arrived at the tine end. the over-voltage wave cause the insulator of the grounding electrode line flashover on both side of the line, which would aggravate the unbalance current of the grounding polar lines and the unbalanced current causes the negative polar conductor atresia.

引用

页码：317 / 320

页数：4

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