Answer / bosky babu

In 3 Phase transformer,If the core is in circular shape, a rotating magnetic field will builds up and it will tends to rotate the secondary winding, (same as in the induction motor)

So the core is in the shape of square or in rectangle.

Answer / himansu

if circular core is used then more lamination is needed...thus
cost factor is obtained....

explain why the secondary terminal of current transformer should not be lift open circuited.

2 Answers  

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if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

0 Answers  

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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why dc measurements are noted in mc whereas it is mi in ac measurements?

1 Answers  

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coil is consist of

1 Answers   Enercon,

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Which Kind of machines(in terms of poles) give the smoothest DC

0 Answers  

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What does quality factor depend on in resonance?

0 Answers  

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what is open star connection or open delta.

1 Answers   ACC, Jindal,

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What are approaches to tackle sedimentation problem of reservoir?

0 Answers  

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what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 Answers  

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List the advantages of star-delta starter with induction motor?

0 Answers  

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what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

0 Answers   Mukand,

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