A 10 kVA, 2000/400 V, single-phase transformer has resistances and leakage reactance as; R1 = 5.2 Ω, X1 = 12.5 Ω, R2 = 0.2 Ω, X2 = 0.5 Ω. Determine the value of secondary terminal voltage when the transformer is operating with rated primary voltage with the secondary current at its rated value with power factor 0.8 lag. The no-load current can be neglected. Draw the phasor diagram.

A 10 kVA, 2000/400 V, single-phase transformer has resistances and leakage reactance as; R1 = 5.2 Ω, X1 = 12.5 Ω, R2 = 0.2 Ω, X2 = 0.5 Ω. Determine the value of secondary terminal voltage when the transformer is operating with rated primary voltage with the secondary current at its rated value with power factor 0.8 lag. The no-load current can be neglected. Draw the phasor diagram.

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 3.9P

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