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saurabhpareek002
Member

Join Date: Nov 2009
Posts: 8

Temperature Rise Test

01/05/2010 4:00 AM

I tested temperature rise of 16 kva single phase copper wound(wound core) transformer whose temperature rise was greater than 35 deg.cent. it was about 41 deg cent.plz suggest me what are the reasons by which transformer fails in temperature rise test?
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Graebeard
Power-User
Engineering Fields - Electrical Engineering - New Member

Join Date: Aug 2007
Location: Toronto
Posts: 239
Good Answers: 9
#1

Re: Temperature Rise Test

01/05/2010 1:22 PM

How did you perform this test?

What exactly did you measure - windings or core?

What makes you think this was a failure?
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saurabhpareek002
Member

Join Date: Nov 2009
Posts: 8
#2
In reply to #1

Re: Temperature Rise Test

01/08/2010 11:30 PM

heat run test for this rating i have given it 274 watts and limit of temperature rise of oil was 35 degree cent. bt it has gone upto 41.5deg.cent.
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