某電廠 500kV GIS內(nèi)絕緣子擊穿故障分析及處理

打開文本圖片集

中圖分類號：TM855 文獻標志碼：A 文章編號：2095-2945(2025)14-0174-04

Abstract: This paper introducesa trip accident caused byan internal insulator breakdown failure in a 500kV GIS.Based onthercording of the tripswitch,theactionreportofthe fielddevice,the humidityandcompositionanalysis of SF gas in the GIS,andtheinsulationresistancemeasurement,thelocationofthefailedgaschamberwasdetermined.Theinternalbreakdown failureoftheinsulatorinthegaschamberwasanalyzedthroughdisassembly，andthecauseofthefailurewasdiscussdand analyzed.AhandovertestwascarredoutontheGISafterthereplacementofanewinsulator，andcorespondingsuggestions were put forward for subsequent GIS operation and maintenance and fault handling.

Keywords: GIS; insulator; SF AC withstand voltage; processing

GIS因為其結(jié)構(gòu)緊湊、占地面積和空間體積小、運行安全、安裝和維護工作量小、檢修周期長的優(yōu)點，廣泛應用于電力系統(tǒng)中。（剩余5236字）