How many types of transformers according to the structure of the core ?

How many types of transformers according to the structure of the core ?
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1 Answer

Answer :

There are three types of transformers according to the structure of the core , namely- (a) core type (b) shell type (c) spiral core type.
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[75] Two transformers are connected in parallel. These transformers do not have equal percentage impedance which results A. Short-circuiting of the secondaries B. Power factor of one of the transformers is leading while that of the other lagging C. Transformers having higher copper losses will have negligible core losses D. Loading of the transformers not in proportion to their kVA ratings.

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