Dissolved gas data in transformer oil---Fault Diagnosis of Power Transformers with Membership Degree

The oil-paper insulation system in power transformers operates under the effects of high temperature and strong electromagnetic environment, and the insulation medium can slowly decompose into a number of small molecules. The decomposition gases dissolved in oil are H2, CH4, C2H6, C2H4, C2H2. When a fault occurs, the insulation breaks down more quickly and the decomposition products will be different according to the type and severity of the fault. Dissolved gas analysis (DGA) is widely used to detect incipient faults in oil-pregnant transformers. This dataset includes the DGA data in the fault state of the transformer and the corresponding fault type.