Diagnosis and Treatment of a 110 kV Main Transformer Bushing Oil Leakage Fault
This paper discusses an incident where infrared and partial discharge detection methods were used to identify an oil leakage defect in a 110 kV main transformer bushing.Through structural analysis and disassembly inspection,it was concluded that the cause of the oil leakage was due to a mismatch between the length of the oil plug bolt and the oil inlet on the bushing.This provides recommendations for factory acceptance and operational maintenance of similar bushings.
transformer bushingoil leakage fault,fault analysis,infrared temperature measurement
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