The figure represents the equivalent circuit of a single-phase transformer, if after doing the respective tests the following values have been obtained: R1 = R'2 = 0.08 Q X1 = X'2 = 0.2 Q Re = 1000 Q; Xm = 400 Q. It is supplied to the load Z' at 240 V, 6 kVA, with a power factor of 0.85 lagging at nominal voltage. Assuming the output voltage as reference to V'2 = 240 / 0°. Calculate: a) The voltage V1 b) current 1 c) the input power factor.

The figure represents the equivalent circuit of a single-phase transformer, if after doing the respective tests the following values have been obtained: R1 = R'2 = 0.08 Q X1 = X'2 = 0.2 Q Re = 1000 Q; Xm = 400 Q. It is supplied to the load Z' at 240 V, 6 kVA, with a power factor of 0.85 lagging at nominal voltage. Assuming the output voltage as reference to V'2 = 240 / 0°. Calculate: a) The voltage V1 b) current 1 c) the input power factor.

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 3.4P: A single-phase 100-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...

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