Answer Posted / ramesh

1 Hp = 746 watts
10 Hp Motor
10*746=7460w
so 7460 w is the power drawn by 3-ph motor. and three phase
voltage is 415 voltage.

so I = P/root3*v*pf*eff
i=Wattage/1.732*415*0.8*0.85
=7460/1.732*415*0.8*0.85
=7460/489
=15.25A

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