shoyab


{ City } kota
< Country > india
* Profession * electrical engg.
User No # 63584
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Question { Siemens, 22034 }

How you calculating the current for a 2.5 Sqmm cable.
A 30 Hp 3 phase AC motor of power what size of cable is
used for this motor.



Answer

the answer is wrong we can calculate by usbing this formula
W = 1.732*V * I Cos (phi)
30*746 = 415 * I * 0.8*1.732
I=36.2 AMP

Is This Answer Correct ?    24 Yes 6 No