In Previous Unit, you have learnt that the transformer is an electrical device used for stepping down or stepping up the supply voltage. You know that the distribution transformer (DTR) steps down the primary distribution voltage of 11 kV or 33 kV to secondary distribution of 415V between phases and 240V between phase and neutral.
In this unit, you will study about distribution transformers in detail covering their selection criteria, causes of failure, tests on DTRs and ways of improving their life and efficiency.
In this unit, you will study about distribution transformers in detail covering their selection criteria, causes of failure, tests on DTRs and ways of improving their life and efficiency.
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