This is megger Test of Transformer which is conducted for measuring the Earthing Resistance. 5000V DC is applied during megger Test at LT and HT terminal. Megger Test is done in 60 seconds. Readings are taken 3 times in 15th, 30th and 60th second. Readings are taken for LT-HT, LTG-HT and HTG-LT connection.
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