2- Calculate the values of Ro, X,, Reg1 and Xeg1 of the equivalent circuit of a 1-ph, 4KVA, 200/400V, 50HZ transformer of which the following are test results: open-circuit: 200V, 0.7A and 70W on low-voltage (primary) side. Short-circuit: 15V, 10A and 80W on high-voltage (secondary) side.

2- Calculate the values of Ro, X,, Reg1 and Xeg1 of the equivalent circuit of a 1-ph, 4KVA, 200/400V, 50HZ transformer of which the following are test results: open-circuit: 200V, 0.7A and 70W on low-voltage (primary) side. Short-circuit: 15V, 10A and 80W on high-voltage (secondary) side.

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 3.34MCQ: Consider Figure 3.25 of the text for a transformer with off-nominal turns ratio. (i) The per-unit...

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Question

2- Calculate the values of Ro, X,, Reg1 and Xeg1 of the equivalent circuit of a 1-ph, 4KVA,
200/400V, 50HZ transformer of which the following are test results:
open-circuit: 200v, 0.7A and 70W on low-voltage (primary) side.
Short-circuit: 15V, 10A and 80W on high-voltage (secondary) side.
[571, 330, 0.2 and 0.3170]

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