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Case Analysis and Treatment of Abnormal Heating in 110 kV SF6 Current Transformer
Author(s): 
Pages: 34-36
Year: Issue:  1
Journal: Guangxi Electric Power

Abstract: 深圳供电局运用红外测温诊断技术发现一例SF6电流互感器异常发热的情况,通过对异常互感器的现场榆查分析,认为该台互感器内部存在着潜伏性的发热故障.返厂进行了相关试验和解体检查,查明了发热故障点为第2组二次线圈引出线压接头接触不良.分析了本例壳体异常发热和SF6气体微水超标的原因,提出了相应的处理和防范措施.
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