Research on an Accident of 500 kV Gas Insulated Transmission Line

被引：2
|
作者：
Xiong, Hao [1 ]
Jiang, Hao [1 ]
Zhou, Bin [1 ]
Zhou, Gang [1 ]
机构：
[1] Chongqing Elect Power Maintenance Branch, Chongqing 400014, Peoples R China
来源：
POWER AND ENERGY SYSTEMS III | 2014年 / 492卷
关键词：
Gas insulated transmission lines; SF6; gas; Free metal particle defect;
D O I：
10.4028/www.scientific.net/AMM.492.178
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：
Gas insulated transmission line (GIL) is increasingly being utilized in the power system because of its advantages, such as large transportation capacity, no insulation ageing, low loss, and low electromagnetic radiation. However, even GIL equipment in operation can go wrong under the influence of various factors. This paper is an in-depth analysis on a 500kV GIL fault resulting in the tripping operation of a substation chief transformer. The causes of the accident are discussed from several aspects, such as insulation defect, design of gas inlet port, and effect of temperature on the water in the GIL. Some suggestions are given for the structure design, manufacture, installation, and operation of GIL.
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页码：178 / 181
页数：4
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