Answer / sanjay

It is not producing rotating field on any physical plane &
can not produce torque

Answer / krishna kumar.k

A transformer & an induction motor, which rotates, work on
the same principle of electromagnetic induction. In the case
of a motor, the rotor,which can be compared to the secondary
of a transformer,is wound on physically free to rotate
arrangement and hence it rotates.

But a transformer secondary is physically not designed and
is not free to rotate.

Answer / dharmendra

In transformer both winding are connected magnetically.Also
on same limb.No air gap between primary and secondary.

WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

1 Answers   ABB,

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what is the difference b/w KVA and KW? the transformer are mentioned KVA rating and the loads are mentioned KW.why?

2 Answers  

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2 Answers  

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0 Answers  

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why star point of motor shall not be grounded?

8 Answers  

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2 Answers   ABC,

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2 Answers   L&T, NTPC,

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0 Answers  

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7 Answers   Techno Electric and Engineering,

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3 Answers   Reliance,

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