A 10-kva single-phase transformer designed for [(2,000) / (400)] volts has the following constants: R₁ = 5.5 ohms; R₂ = 0.2 ohms; X₁ = 12 ohms; X₂ = 0.45 ohms. a) Represent the equivalent circuit of the transformer referred to the secondary side. b) Calculate the approximate value of the secondary terminal voltage at full load, 80 percent power factor (lagging), when the primary supply voltage is 2,000 volts.

A 10-kva single-phase transformer designed for [(2,000) / (400)] volts has the following constants: R₁ = 5.5 ohms; R₂ = 0.2 ohms; X₁ = 12 ohms; X₂ = 0.45 ohms. a) Represent the equivalent circuit of the transformer referred to the secondary side. b) Calculate the approximate value of the secondary terminal voltage at full load, 80 percent power factor (lagging), when the primary supply voltage is 2,000 volts.

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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