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selvaraj
Participant

Join Date: Aug 2007
Posts: 2

power transformers

09/04/2007 2:28 PM

while conducting pre gommissioning tests on power

transformers what should be the acceptance value

of magnetising current for a 33/11kv,16 mva pr.tr

with Dy11 configuration.
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MUKULMAHANT
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Engineering Fields - Systems Engineering - New Member Hobbies - Model Rocketry - New Member

Join Date: Dec 2006
Location: Long.92E,Lat.26N
Posts: 1336
Good Answers: 14
#1

Re: power transformers

09/05/2007 3:54 AM

Demand Manufacturer's test report--on basis of which you accepted the Pr.Tx.

You will have to accept the same as the basis NOW.
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chaterpilar
Power-User

Join Date: Aug 2007
Location: Bhopal India
Posts: 234
Good Answers: 5
#2

Re: power transformers

09/08/2007 11:47 PM

The magnetising current can go as high as 12 times the rated primary current of the transformer for few cycles.

__________________
 He must be very ignorant as he answers all the questions he is asked. Voltaire
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