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A 4-KV A,200/400 V single phase transformer has the following open circuit test and short circuit test Results: O.C.T at low voltage side: 200 V, 0.7A, 65 W PRC S.C.T low voltage windings are short circuited: 15 V, 10 A, 75 W Cupper Lusing 1. Calculate the series impedance of the transformer and find Rc and Xm. Draw the equivalent circuit referred to the high voltage side. 2. Find the full load efficiency at unity power factor. PP: 1 2001460 0:45 Full load voltage regulation at 0.8 power factor lagging. A Draw the phasor diagram when the transformer operate at full load 0.8 lagging pf S-4x10²

A 4-KV A,200/400 V single phase transformer has the following open circuit test and short circuit test Results: O.C.T at low voltage side: 200 V, 0.7A, 65 W PRC S.C.T low voltage windings are short circuited: 15 V, 10 A, 75 W Cupper Lusing 1. Calculate the series impedance of the transformer and find Rc and Xm. Draw the equivalent circuit referred to the high voltage side. 2. Find the full load efficiency at unity power factor. PP: 1 2001460 0:45 Full load voltage regulation at 0.8 power factor lagging. A Draw the phasor diagram when the transformer operate at full load 0.8 lagging pf S-4x10²

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A 4-KV A,200/400 V single phase transformer has the following open circuit test and short circuit test Results: O.C.T at low voltage side: 200 V, 0.7A, 65 W PRC S.C.T low voltage windings are short circuited: 15 V, 10 A, 75 W Cupper Lussing 1. Calculate the series impedance of the transformer and find Rc and Xm. Draw the equivalent circuit referred to the high voltage side. 2. Find the full load efficiency at unity power factor. Full load voltage regulation at 0.8 power factor lagging. Draw the phasor diagram when the transformer operate at full load 0.8 lagging pf 5=4x10² 2001460 Pf: 1 0=45
Transcribed Image Text:A 4-KV A,200/400 V single phase transformer has the following open circuit test and short circuit test Results: O.C.T at low voltage side: 200 V, 0.7A, 65 W PRC S.C.T low voltage windings are short circuited: 15 V, 10 A, 75 W Cupper Lussing 1. Calculate the series impedance of the transformer and find Rc and Xm. Draw the equivalent circuit referred to the high voltage side. 2. Find the full load efficiency at unity power factor. Full load voltage regulation at 0.8 power factor lagging. Draw the phasor diagram when the transformer operate at full load 0.8 lagging pf 5=4x10² 2001460 Pf: 1 0=45
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