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Not unless you also know the current, from which to calculate the apparent power in VA.
pf = P/(V.I. sqrt(3)) as it's 3-phase
Suppose the line current were 21A, the power factor of your 13kW example would be
pf= 13,000 / (21x400xsqrt(3)) = 0.89
pf = P/(V.I. sqrt(3)) as it's 3-phase
Suppose the line current were 21A, the power factor of your 13kW example would be
pf= 13,000 / (21x400xsqrt(3)) = 0.89
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