How can decide the MVA rating of power transformer for substation like 220/132, 132/66, 66/33kv etc or even higher kv rating of substation???? Send me the strictly technical answer that shows your strong technical aptitude.

6 Answers  

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I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

0 Answers  

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what objective books are good for preparing for PSU's?

3 Answers   NTPC,

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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

0 Answers   Quest,

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why doesnt the back emf hold the speed of unloaded series motor?

1 Answers  

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why is corona loss greater in a stranded conductor as compared to a solid conductor ?

2 Answers  

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when the size of the cable used for the ht voltage is 300sqmm then what is the size of the conductor of each phase

2 Answers  

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what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

0 Answers  

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why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?

2 Answers  

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Working of furnace in detail...?

0 Answers  

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Do you know the alignment of a motor?

8 Answers   Reliance,

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what are the types of cooling systems used in motors?

2 Answers  

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