WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

5 Answers   L&T,

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what is mean by VCB colour code..???

1 Answers   Student,

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difference between semiconductor & conductor & insulator?

0 Answers  

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at which places we use 6.6KV Transformers and Motors

4 Answers  

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suppose there is afault in transmission line connected to a generating station, then what r the adjustments u will take to without loss of synchronism?????

2 Answers   NTPC,

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

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Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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Define Current Transformer? Working & TYpe's Of C.T.

4 Answers  

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why the insulators are in cofee colour???

4 Answers   Visa Steel,

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How we can come to know the substation range,without go through any name plate ?

0 Answers   CG,

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plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

0 Answers  

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Why do you get a typical sound when the transformer is put into operation?

4 Answers   IIT,

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