Answer / tripathi

The formula for three phase power is p=root3*v*i*cos(fi)&
voltage gernally 415V & power factor is given in motor name
plate & kw is also mention in name plate.So u can calculate
current easily.if the power is given in H.P then multiplied
by .746.

Answer / wareagle

Learn how to Google and you can do this yourself

http://www.elec-toolbox.com/Formulas/Useful/formulas.htm

How to Search the Internet
http://hanlib.sou.edu/searchtools/howto.html

Answer / pillay

Yes I agree with Wareagle, grow up.

Answer / pankaj sharma

p=root3*v*i*cos(fi)

Answer / shahebaz shikh

as we know that the formula of power is root
3*voltage*current and hence
current=power/(root3*voltage)=746*power/(root3*voltage)

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