Electrical Engineering - Power System Analysis Please solve the question step by step and solve a, b and c Q1. A single-phase transformer rated 1.2kV/120 V, 7.2 kVA yields the following test results;Open-Circuit Test (Primary Open)Voltage V2 =120V; Current I2=1.2 A; Power W2=40WShort-Circuit Test (Secondary Shorted)Voltage V2 =20V; Current I2=6.0 A; Power W2=36WCalculate the following;(A) R. and Xm(В) Zp, Rp, Xp(C) VR (%) @ 0.8 p.f(D) Core and copper losses(E) Efficiency @ 0.8 p.f

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Electrical Engineering - Power System Analysis Please solve the question step by step and solve a, b and c

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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...

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Question

Electrical Engineering - Power System Analysis Please solve the question step by step and solve a, b and c

Q1. A single-phase transformer rated 1.2kV/120 V, 7.2 kVA yields the following test results;
Open-Circuit Test (Primary Open)
Voltage V2 =120V; Current I2=1.2 A; Power W2=40W
Short-Circuit Test (Secondary Shorted)
Voltage V2 =20V; Current I2=6.0 A; Power W2=36W
Calculate the following;
(A) R. and Xm
(В) Zp, Rp, Xp
(C) VR (%) @ 0.8 p.f
(D) Core and copper losses
(E) Efficiency @ 0.8 p.f

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