Problem 5Consider a three winding transformer with the following particulars:=Z₁ Z2 Z3 =0.02 + j0.08 £, V₂ = 400 V, 12 = 60/30° A, and I3 = 50/-40° A. Assume that V₂ isthe reference phasor, calculate:The intermediate voltage Vo.a.b. The primary current I₁ and the primary voltage V₁.c. The tertiary voltage V3 referred to the primary side.d. The apparent powers and the power factors at the primary, secondary and tertiary terminals.e. The transformer efficiency.

Solution- THREE WINDING TRANSFORMER Given, Z1=Z2=Z3 = 0.02+j0.08 ohmV2 = 400 VI2 = 60∠-30° AI3…

onsider a three winding transformer with the following particulars: = 50-40° A. Assume that V₂ is 1= Z₂ = Z3=0.02 + j0.08 , V₂ = 400 V, 12 = 60/30°A, and 13 e reference phasor, calculate: a. The intermediate voltage Vo. b. The primary current I₁ and the primary voltage V₁. c. The tertiary voltage V3 referred to the primary side. d. The apparent powers and the power factors at the primary, secondary and tertiary terminals. e. The transformer efficiency.

onsider a three winding transformer with the following particulars: = 50-40° A. Assume that V₂ is 1= Z₂ = Z3=0.02 + j0.08 , V₂ = 400 V, 12 = 60/30°A, and 13 e reference phasor, calculate: a. The intermediate voltage Vo. b. The primary current I₁ and the primary voltage V₁. c. The tertiary voltage V3 referred to the primary side. d. The apparent powers and the power factors at the primary, secondary and tertiary terminals. e. The transformer efficiency.

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 3.28MCQ

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