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.

Why we use stones in switchyard?

3 Answers   Havells, L&T,

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Is MV canble armour can be earthed at both ends?

2 Answers  

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advantage of using 110v than 230v

1 Answers   NTPC,

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In synchronous generators field is rotor and armature is stator.Can we take the output at the rotor in case of synchronous generator by the dc excitation on the stator?

2 Answers  

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Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  

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Tan delta point in transformer to be earth or not?

1 Answers   DMRC,

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what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

0 Answers  

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I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

0 Answers   Power Grid,

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

0 Answers  

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What is meant by CFL & PL lamps

1 Answers  

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BRIEFELY EXPLAIN MEGGAR PRINCIPLE

2 Answers  

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can anyone show me how the 3 phase power is supplied to socket outlets?

0 Answers   Bhel,

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