State any two advantage of three phase transformer over a bank of three single phase transformer.

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1 Answer

Answer :

Advantages of three phase transformer over bank of single phase transformers: 

For identical magnitudes of power transformation, i) Saving in copper conductor. ii) Saving in electromagnetic core material. iii) Compact arrangement (Lower space required) iv) Saving in dielectric material such as insulating oil. v) Saving in overall cost. vi) Higher efficiency.

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