Analysis and Research of 500kV Transformer Oil Chromatographic Anomaly

In addressing the abnormal issue of oil chromatog-raphy in a specific 500kV transformer, a thorough a nalysis was conducted using the foundation of oil chromatography testing. Utilizing advanced digital technologies such as online monitoring and ultrasonic waves, the problem was comprehensively tracked, analyzed in depth, and the root cause and extent of the fault were determined. Based on this information, specific preventive measures and maintenance suggestions are proposed for the faulty transformer. This information serves as a foundational basis for any future corrective actions to be taken in addressing the fault.