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
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 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...
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