Question: how to calculate electrical load in kva?
Answer: S(kVA) = √3 × I(A) × VL-L(V) / 1000. So kilovolt-amps are equal to √3 times amps times volts divided by 1000. kilovolt-amps = √3 × amps × volts / 1000. kVA = √3 × A ⋅ V / 1000. S = √3 × 12A × 190V / 1000 = 3.949kVA.