Recent Articles
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 …
How to Perform Vector Group Test in Power Transformers
The vector group test of the power transformer verifies the winding configuration and the phase displacement between the HV and LV windings of a three-phase transformer. This test is done to confirm the transformer matches with the name plate vector group. The vector group test is essential commissioning …
