for 12KW motor which cable size has to select for ex.10
meter.

Answer Posted / abdulsubur

FROM THE FORMULA P=ROOT3 VICOS PHI

12/ROOT3*400*.85 WE GET I=20
VD= MV*L*I/1000
WE GET 10 SQR MM+EARTH CABLE 6 SQR MM

Is This Answer Correct ?    5 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

4933


1.how many types of relays? 2.difference between ATS& STS?

1749


how to calculate IR value of 33KV cable ??

1431


lorteny method

1650


what are the sample questions asking to the test cunducting for electrical superwising lisence test?

1783






What is the basic rule for block diagram reduction technique?

851


What is cross over distortion? How it can be eliminated?

877


What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1584


what will happen if there is a voltage leakage or current leakage in an electrical train

1607


what is class of SPD and dittels of all class ?

1670


A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

2004


what are the types of electromagnetic forces developed in practical transformer?

2258


neutral earth resistance testing is it possible for transformer while in load condition

1541


advantage and disadvantage of team work?

1354


hello friend i wish to study a course related to the electrical construction, controlling and monitoring , which course i want to study? pls give me the name of institute?

1441