the answer is wrong we can calculate by usbing this formula W = 1.732*V *

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.

Question Posted / shoyabkhan

Answer Posted / shoyabkhan

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

Please Help Members By Posting Answers For Below Questions

why power factor is important?

10551

What is mason's gain formula?

1363

In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

3379

Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

1156

what is the principle of operation of tungstun bulb ??

1881

What is the height of DA, DAL, DB, DC & DDE tower?

2414

i have 3500 amp load and select current transformer and perches.how i calculate .please understand

2216

Is Transol transformer oil comparable to nynas nytro libra?

3164

Please define ohm’s law for a.c (alternating current)?

1136

what is the difference between pvc & fiber glass cables

1613

what is consequences of neutral and earth connect?

2175

Formulae for calculating the transmission line losses for different voltage levels

2241

How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

1676

what is high - pot test. what's its use?????

2238

Why do power lines not short out when they fall into water?

2053