一起220kV SF_6电流互感器主绝缘击穿故障分析与处理

Analysis and Treatment of Main Insulation Breakdown Fault in 220kV SF_6 Current Transformer

通过对一起220kV SF6电流互感器事故的分析与处理,指出了设备制造厂家和设备管理中存在的问题。对该起故障的保护信息、现场检查情况、设备的内部结构进行了具体分析。

Based on the analysis and processing of the 220kV SF6 current transformer accident, the prob- lems existed of the equipment manufacturer and in the equipment management are pointed out. The fault protection information, inspection, the device＇s internal structure are analyzed.