Why winding temperature ct placed in B-Phase of the transformers??
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It is in the center and hence least cooled
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My answer was for ' A B C ' sequence . If it is ' R Y B' ,then the reason may due to presence of the tap changer close to R & Y phases
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Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?
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