I want formula to calculate cable size as per load given in
kw & amp.I searched many sites but didn't right answer.Plz
reply me asap.

Answer Posted / tariqusman

sorry i remind you that if u determind the above value of
cable size, for example i find 20 sq. mm cble for 83 ampere
load . so u use the 25 sq. mm cable.

sorry for 20 sq mm. there no have 20 sq.

Is This Answer Correct ?    2 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1511


How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

1640


how indusrial diesel generator work

1459


What are the main significances of root locus?

700


What are the advantages and disadvantages of open loop control system?

654






A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

1351


What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2388


It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

2964


In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

1241


why we not used 11kva as a direct our electrnics component.

2339


Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

698


How to select a cable size for particular load?

1326


BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

1853


how to select energy meter? have any calculation?

2382


WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

1744