Study of GIS disconnector internal fever by simulation and experiment

机译：GIS隔离开关内部发热的仿真与实验研究

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摘要

Fever due to poor contact are one of the important reasons leading to the failure of GIS equipment. However, more researches on the heating characteristics and detection methods of GIS contacts are needed. In this paper, a finite element model of true type 550kV GIS disconnector is established to study the heating characteristics and the temperature distribution with different contact resistance and loads. A heating test platform of 550kV GIS is established in laboratory, the contact and shell temperatures are measured with different contact resistance and loads to compare with simulation results. The results indicate that there is a corresponding relationship between contact temperature and shell temperature of GIS disconnector, and the temperatures are positively associated with contact resistance and loads. The shell temperature can be regarded as the characteristic quantity indicating the state of GIS disconnector.

机译：接触不良引起的发热是导致GIS设备故障的重要原因之一。但是，需要对GIS接触点的加热特性和检测方法进行更多的研究。本文建立了一个真正的550kV GIS隔离开关的有限元模型，研究了不同接触电阻和负载条件下的加热特性和温度分布。在实验室中建立了一个550kV GIS的加热测试平台，以不同的接触电阻和负载测量接触和外壳温度，并与仿真结果进行比较。结果表明，GIS隔离开关的接触温度与壳体温度之间存在对应关系，且温度与接触电阻和负荷呈正相关。壳体温度可以看作是指示GIS隔离开关状态的特征量。

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来源
《2018 12th International Conference on the Properties and Applications of Dielectric Materials》|2018年|837-843|共7页
会议地点 Xian(CN)
作者
Siqi Song; Yongyong Jia; Jinggang Yang; Yuan Liu; Yujie Li; Tong Liu;
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作者单位

State Grid Jiangsu Electric Power Company Research Institute, Nanjing, China;

State Grid Jiangsu Electric Power Company Research Institute, Nanjing, China;

State Grid Jiangsu Electric Power Company Research Institute, Nanjing, China;

State Grid Jiangsu Electric Power Company Research Institute, Nanjing, China;

State Grid Jiangsu Electric Power Company Research Institute, Nanjing, China;

State Grid Jiangsu Electric Power Company Research Institute, Nanjing, China;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Gas insulation; Temperature measurement; Temperature distribution; Contact resistance; Heating systems; Mathematical model;

机译：气体绝缘;温度测量;温度分布;接触电阻;加热系统;数学模型;;

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Study of GIS disconnector internal fever by simulation and experiment

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