一起 GIS 设备密封不良问题原因分析

摘要:

针对某煤矿 220 kV 气体绝缘金属封闭组合电器断路器密封不良问题，结合现场实际案例，通过对故障点进行 解体剖析，总结出了密封不良的原因及处理方法。根据现场实践经验，从设备安装工艺以及日常维护等方面提出了 预防性措施，可对解决类似故障起到一定借鉴作用。

Abstract:

Aiming at the sealing fault of 220 kV GIS circuit breaker in a coal mine and combined with the practical examples， the reasons for bad sealing and its treatment are summarized． Based on the practical experiences，the preventive measures are put forward from the aspects of routine maintenance and installation process，which are helpful in solving the similar faults．