calculations

[wolfiehogan]

if a 3phase machine takes 15kw total how do you work out current per phase

 

[ezzzekiel]

power=1.732 x vl x il x cos rearrange for current

i = power/1.732 x v x cos

 

[Dean182]

I=P/V

15000/(400*1.732)=21.65A

If power factor is know, I=P/(V*√3*pf)