V(V) = 1000 × P(kW) / I(A)
V(V) = 1000 × P(kW) / (PF × I(A) )
VL-L(V) = 1000 × P(kW) / (√3 × PF × I(A) )
≈ 1000 × P(kW) / (1.732 × PF × I(A) )