2- Calculate the values of Ro, Xo, 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 0.3172]

2- Calculate the values of Ro, Xo, 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 0.3172]

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 3.10P: A single-phase step-down transformer is rated 13MVA,66kV/11.5kV. With the 11.5 kV winding...

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