A 30 KVA, 24000/220 V, Y A connected transformer bank is operated at full load with an efficiency of 96% and a voltage regulation of 11%. The primary voltage leads the secondary voltage by 5.77 ^ 0 The phase impedance of the transformer windings is 0.1532 / 78.7° pu. Find: a) the per-phase base voltage, current, impedance and power in the high-voltage region and the low voltage region.

A 30 KVA, 24000/220 V, Y A connected transformer bank is operated at full load with an efficiency of 96% and a voltage regulation of 11%. The primary voltage leads the secondary voltage by 5.77 ^ 0 The phase impedance of the transformer windings is 0.1532 / 78.7° pu. Find: a) the per-phase base voltage, current, impedance and power in the high-voltage region and the low voltage region.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.6P

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