What Is KVA ?

What is KVA ?  is one of the important questions asked by interviewer in oral exams.

Let us discuss about KVA

KVA means kilo volt ampere.

Kilo volt-ampere (kVA) is the unit used for the apparent power in an AC electrical circuit.

It is the product of root-mean-square (RMS) voltage and RMS current.

It is given by S = P + jQ Where S is the apparent power in kVA P is the real power in kW and Q is the reactive power in kVAr