Why transformers rating is only kva ?

Question added by Abbas Abdullah , Facilities Manager , ADEEB GROUP
Date Posted: 2016/11/26

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by Thabet Qtaish , Head of Electrical Department , United Iron and Steel Company

KVA = Kilo Volt Ampere

it is the total power( complex power ) ( apparent power )

and the complex power consist of two part : real power(Watt)+ Reactive power(var)

because we have core losses and copper losses in the power transformer we rated it in KVA

Total power ( real power and reactive power )

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