Answer Posted / riyadh

this formula u going to apply

Kw=Kva*P.f

we know P.f = 0.9 for T/f's
P.f = 0.8 for Generator

we knw power kw 40Mw

Apply to above formula Kva = kw / p.f
Kva = 40000 Kw / 0.8
Kva = 50000 kva
In Mva is 50

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