what are the different types of transformers in present? which transformer is e

what are the different types of transformers in present?
which transformer is efficient?

Question Posted / arun gajula

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what are the different types of transformers in present? which transformer is efficient?..

Answer / kamal narayan

1.according to structure
shall type ,Barry type ,core type transformer
2.according to phase
single phase ,three phase transformer
3 according to voltage
step up , step down transformer

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