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GIS设备短路电弧效应与压力释放装置设计

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分析了GIS设备内部短路电弧造成的问题,介绍了GIS设备异常时气室压力上升和外壳烧穿时间的计算方法,并初步探查了GIS设备壳体的有效防护措施——压力释放装置的合理设计.同时,以某种550 kV GIS设备为例,计算短路电弧出现时气室内部压力变化及壳体烧穿时间,结果表明各气室的壳体设计均满足要求,没有发生壳体烧穿、破裂的可能性.
Short Circuit Arc Effect of GIS Equipment and Design of Pressure Release Device
This paper analyzes the consequences of internal short circuit arcs in GIS equipment,describes the calculation method of pressure rise in air chamber and burning time of casing for abnormal GIS equipment,and preliminarily explores the effective protective measures for the casing,i.e.,the reasonable design of pressure release device.At the same time,taking a certain 550 kV GIS equipment as an example,the pressure change in the gas chamber and the burning time of the shell during the occurrence of a short-circuit arc are calculated.The results show that the shell design of each gas chamber met the requirements and there was no possibility of burnthrough or rupture.

GISshort circuit arcburnthrough timepressure riserational design

张凯、史峰涛、左琪、肖鹤旋、王凯歌、陈利利

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河南平芝高压开关有限公司,河南 平顶山 467013

GIS 短路电弧 烧穿时间 压力上升 合理设计

2024

电工技术
重庆西南信息有限公司(原科技部西南信息中心)

电工技术

影响因子:0.177
ISSN:1002-1388
年,卷(期):2024.(13)