BDV (break down voltage) test is a regular test conducted on insulating materials. Accordingly, transformer insulating materials viz. transformer oil, paper, pressboard, too, are subjected to this test.
Preparing of ‘Electrodes and Test Vessel’ before performing breakdown voltage (BDV) test on insulating oil in service in transformers and switchgear, as defined in IS 6792.
It involves a ‘synchronizing servo motor’ mechanism that helps it to achieve constant power supply whenever there are any fluctuations in the supply.
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