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Answer: kVA – Kilovolt – ampere
kW – Kilowatt
A transformer does not alter the power or frequency value; it simply moves power from one circuit to another. In other words, it can only change the current and voltage values while keeping the power and frequency constant.
The losses that occur in transformers are independent of power factor, which is why they are rated in kVA.
The apparent power unit is kVA. Reactive and actual power are combined in it. Transformers are made without taking into account the associated load.
It may be unclear what kind of load is being connected if the transformer is rated in kW.
Therefore, transformer rated in kW.
