how to test vector goup of Dy11 transformer

1 Answers   APPSC,

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what is recommended breakdown voltage of transformer oil?

5 Answers  

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what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

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why in electric train we can't feel current & generally we have get socked in our normal electricity ?

3 Answers  

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what is B , c & d curves in MCB characteristics i e Full Form of B , C & D . sir please give me answer

1 Answers   NCC,

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In supply RYB are mentioned. But in transformers, why they are mentioning XYZ?

3 Answers  

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What is the difference between AC Drive and VFD?

10 Answers   ITC Infotech,

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solor panels arrange some angle,panel is flat fitted energy was produced or not why?

0 Answers  

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When we give supply to a transformer 11 kv and we get 415v from it, so when we give supply to same transformer 415v on ht side what we get? and When we gives supply to any transformer to L.T. side 415v or 220v What supply is on H.T. side?

2 Answers   Ashoka Electricals,

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How vaccum is formed to create a vaccum interrupter or anything related with vaccum?

6 Answers  

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what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

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Which of the following loss varies with the load A hystresis loss B eddy current loss C copper loss D core loss

1 Answers  

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