Answer Posted / sara

KVA=VI*power factor
Efficiency of DG sets depends on the type of load used. the
manufacturer doesn't know what the type of load(inductive-
lagging-PF, capacitive-leading-PF) is to be used. so they
don't consider the power factor here, they take it as
unity.PF.
KVA=VI*(1) hence DG ratings are in KVA.

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