Recent Articles
Temperature Rise Test of Transformer – Why Electrical Tests Alone Are Not Enough
The temperature rise test verifies the transformer’s thermal performance under rated load conditions. A transformer can pass all electrical test and still fail prematurely if its thermal design is weak. The life of the transformer depends on the insulation temperature. Every 6-8 degree rise in operating temperature beyond …
Oil BDV Test of Transformer: Procedure, Standard & Acceptance Criteria
The BDV test or break down voltage test of insulating oil is a diagnostic test performed to determine the dielectric strength of the oil. It is basically the voltage at which the oil fails to provide insulation and a spark is passed between two electrodes at a standard …
