sir, i want to know the calculation for find rated current
for cable sizes.(both copper & aluminium) with examole.
please sir
for example: 35sq.mm al.cable is withstands for how many
amps?
is suitable for 45kw motor?
Answer Posted / abhishek
Copper wire conducts 1A/sqmm while Al wire conducts 1.2A/sqmm....Now 1.8A current is drawn by 1KW load..So for 45KW motor 80A is drawn....So 75sqmm of Copper cable & 65sqmm of Al cable will be reuired....
Is This Answer Correct ? | 3 Yes | 16 No |
Post New Answer View All Answers
how to test power transformer.YNd11
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
How to calulate Locked rotor amper(LRA) for compressor type motors?
whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11
wat is meant by PX class in ct?
I Want randstand placement papers
what is meant by LCR meter? where its useful ?
how to work droop ct in generating station
Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
please explain how to do 'pole drop test' on generator?
in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformerÂ
List the disadvantages of constant k filters?
what do w do when the output of generator is fluctuating?
how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable