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Question
while doing the excitation current test on power 
transformer what is the value of voltage to be applied? 
Nomonal rated voltage or 10% of rated voltage? Is it 
necessary to apply on high voltage side?



 Question Submitted By :: Cdymansoor
I also faced this Question!!     Rank Answer Posted By  
 
  Re: while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?
Answer
# 1
we have to apply three phase voltage only..bcoz,for 
transformer rated voltage is 220kv not 230v.we can check in 
l.v side also.
 
Is This Answer Correct ?    3 Yes 0 No
Guna
 

 
 
 
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