Why generally the Rating of Transformers are in additions
of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........
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Answer Posted / abdul wajid
Basically there are two type of losses in Transformer Iron
losses and core losses Iron losses depend upon voltage and
core losses depends upon current so the total losses
depends upon voltage and current hence transformer ratin is
taken as KVA
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