A one-phase 500 kVA 240/120 V transformer is reconnected as an autotransformer: (a) Calculate the currents in

Question:

A one-phase 500 kVA 240/120 V transformer is reconnected as an autotransformer:

(a) Calculate the currents in each part of the autotransformer and determine its power rating if it is reconnected as a step-down 360/240 V autotransformer. Show the connection details of the autotransformer.

(b) Repeat (a) if the transformer is reconnected as a step-up 240/360 V autotransformer.

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