Find V2 Current And KVA Ratings For Autotransformer

Question

A 90 MVA single phase transformer rated 80/120kV is connected as an autotransformer. Rated voltage |V1| = 80 kV is applied to the low-voltage winding of the transformer. Consider the transformer to be ideal and the load to be such that currents of rated magnitudes |I1| and |I2| flow in the windings.

A) Draw your winding connections being sure to show dots, labeled voltages, and currents.

B) Determine |V2| and the KVA rating of the autotransformer.

Summary

The question belongs to Electrical Engineering and it discusses about determining V2 currents and KVA rating for the autotransformer.

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