Furanic Compounds for Diagnosis

The analysis of furanic compounds in the insulating oil of power transformers is used to characterize the thermal degradation of the solid paper insulation in transformers. In this Brochure, different aspects (analysis, factors of influence, diagnosis methods, statistical approach and user's experiences) have been considered to make the interpretation easier. The formation, detection and behavior of these components in a transformer are described. A survey was conducted to present how these compounds are currently being used by utilities. Finally, real cases are given which demonstrate the usefulness and limitation of the technique.