HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

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what happen if we supply ac to the field of a alternator?

5 Answers  

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please explain how to do 'pole drop test' on generator?

0 Answers  

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what do u understand from filter factor of reactor?

0 Answers  

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What is the difference between power,voltage,current? and with example

3 Answers  

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hoe to select the cable size in sq mm for certain load?

5 Answers   TCS,

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how to get electrical supervisour certificate in gujarat

0 Answers  

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an electric bulb is connected on a holder. one end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. the bulb will glow or not? if yes then what is the need of neutral?

7 Answers  

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Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

2 Answers  

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How power is transferred from one winding to another in an auto-transformer? A) electrically B) magnetically C( both a & b D) neither of above

3 Answers   ISRO,

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what are the main parts of DG? explian thier functions?

8 Answers   Apollo Power, Tata DoCoMo, Tyco, Vizag Steel,

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Why relay connected R phase and B phase.?

1 Answers  

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