What is the procedure for transformer BDV testing?
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September 7, 2024 at 3:09 am by Brandon Martin
To perform transformer BDV testing, you’ll need a megger oil BDV tester, which is essential for assessing the breakdown voltage of insulating oil. Begin by ensuring that the transformer is de-energized and that safety protocols are followed. Next, use the megger oil BDV tester to fill the sample cup with the insulating oil you want to test. Connect the tester’s electrodes to the oil sample, ensuring proper contact with the oil. Set the voltage level on the megger oil BDV tester according to the manufacturer’s specifications or applicable standard requirements. Gradually increase the voltage until breakdown occurs, which will be indicated by a flashover or a sudden drop in current. Record the breakdown voltage reading displayed on the megger oil BDV tester. After the test, clean the equipment and dispose of the oil sample following safety and environmental guidelines. This procedure helps ensure that the insulating oil maintains suitable dielectric strength for reliable transformer operation.
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