Answer / anik misra

Though selection of cable is totally depends on
distance,load and type of media.But as a thumb rule we can
cay that

For Cable, Amp Capacity of Cable = 4X Size of Cable (Sq.mm.)
so as per question approx.(80/4=20)20 Sq.mm. cable required.

-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

0 Answers  

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How to measure the Harmonic Distortion of UPS ie THD?

0 Answers   MG Tech, NIC,

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What is capacitance?

0 Answers  

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Can we get the shock if Power system is unearth means delta type take an rated voltage as 6.6 KV?

9 Answers   Reliance,

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2. If 8.35%Z means the percentage impedance of 132/11kV transformer self,will like to reconfirm the percentage impedance that is supplied from power company?

2 Answers  

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single phase voltage 230 and Three phase voltage 450 why 690 voltage

1 Answers   XYZ,

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how to identify small motor and generator?

1 Answers  

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which types of tests are required after commissioning of 6.6 kva tranformer?

3 Answers   Reliance,

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difference between a four point starter and three point starter

9 Answers  

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there are 3 transformers each of 1500 kva and one transformer of 1000kva for a 11 floor building . total otgoing kw is 4066 kw. i need an extra 260 kw .is there any provision for that? what is the max kw that can be connected with these transformers?

2 Answers  

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How does CT can measure the high value DC current?

4 Answers  

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1. What is differential relay? How it operates?

3 Answers  

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