how to calculate the size of cable for 100 kva load,?can
somebody tell me with a formula

Answer Posted / sridhar nayak

P=1.732VI
u calculate i,take voltage 415V for three phase LT
if i=x,than cable size x=20 or 30
cable sizes are-35,75,95,120,150,185,240,300,400sqmm
it apllicable for alluminium cable only

Is This Answer Correct ?    16 Yes 15 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why in the three pin plug all 3 pins are cutted ?

1537


ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????

564


what is the control circuit for operating the clean room air shower

1735


what is meant by class 1 E in electrical power supply?

1581


1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

4273






WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

1485


Pls mail me utility & Dg related question with answer

1416


how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1499


how we explain parallel paths armature winding?

1460


A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

768


Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

2253


How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1488


A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1510


why does rotor rotets?

2071


what is the role of energy meter in distribution system ?

675