Home › Electrical Engineering Forum › General Discussion › Focus on electricity consumption of control panel components › Re: Focus on electricity consumption of control panel components
2011/11/16 at 6:18 pm
#12631
prasanthpwd
Participant
ramu said:
how to caliculate wire sizes?
Estimate the full load. Calculate MAXIMUM DEMAND.Calculate full load current using the following relation, for 3 phase,
KW/(sqrt 3*400*0.8) =I ( 3ph voltage in india=400V and assume pf 0.8)
From this current suitable wire is selected from preprepared chart.