Identification of Arcing Faults in Paper and Oil in Transformers—Part I: Using the Duval Pentagons
M. Duval, Jerzy Buchacz
Abstract
It is now possible to detect dangerous arcing faults in the paper insulation of transformers and distinguish them from arcing faults in oil, using new sub-zones of Duval Pentagons 1 and 2.
Topics & Concepts
Electric arcTransformerTransformer oilElectrical engineeringEngineeringMaterials scienceElectronic engineeringForensic engineeringComputer scienceVoltageElectrodePhysicsQuantum mechanicsPower Transformer Diagnostics and InsulationHigh voltage insulation and dielectric phenomenaLightning and Electromagnetic Phenomena