Answer / gopal

In case of copper cable 2.5 sqmm is enough. For aluminum 4sqmm is better. Since full load current of 3.7kw motor is 6.4A.

how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

0 Answers  

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How to calulate the NGR resistance ?

1 Answers   L&T,

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why we are using earth pit in sub stations.?

0 Answers  

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how electricity is generated through electeic generator ?

1 Answers  

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why substation are rated like 11KV or 33KV?

3 Answers   TNEB Tamil Nadu Electricity Board,

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why farmers are use earthing instead of neutral for their light conec. at field.is it safe

2 Answers   Honeywell,

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Alternators are invariably star connected why?

4 Answers  

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how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 Answers  

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What is harmonics and how the 1st,2nd,3rd etc harmonic levels

2 Answers  

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What is Transformer?

23 Answers   HSL,

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why are caluculte transformers or dg's in kva does not caluculate in kw

5 Answers  

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IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

6 Answers   L&T,

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