How to calculate cable sizes in sq.mm. with using motor KW?
Any formula there?

Answer Posted / hemant

Normally copper has more conductivity than aluminium. So it
is actually reverse. 1.5 mmsqr for copper and 2.5 mm sqr
for alu

Is This Answer Correct ?    47 Yes 89 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1417


Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)

1650


how ct burden,magnetising current,ratio and knee point voltage are related & derived

1765


Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1967


What are the main significances of root locus?

711






What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

1226


I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1384


Which motor connection is preferable star-delta or delta-star?

637


Which device is used for the source of emission of electrons in a crt?

735


impliment (AB)`+C to transistor representation

1349


What Should be the value of Vector Surge angle at Tripping and how to calculate it?

1595


How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

1391


what is the solution for meger test failed the MV cable?

3542


What is size 00, 01, 1 etc., in HRC fuse types?

1853


what is the ms flat constant for calculating earth mat design calculation?

2019