A 1.5 KVA, 220:110 V, 60 Hz, single-phase transformer gave the following test results: Open-circuit test: Short-circuit test: V-110 V V-8.25 V I=0.4 A I-13.6 A P=25 W P = 40 W a) Determine the parameters of the approximate equivalent circuit of the transformer referred to the high-voltage side. b) Determine the efficiency of the transformer at full-load, 110 V, and 0.8 power factor leading. Use the approximate circuit.

A 1.5 KVA, 220:110 V, 60 Hz, single-phase transformer gave the following test results: Open-circuit test: Short-circuit test: V-110 V V-8.25 V I=0.4 A I-13.6 A P=25 W P = 40 W a) Determine the parameters of the approximate equivalent circuit of the transformer referred to the high-voltage side. b) Determine the efficiency of the transformer at full-load, 110 V, and 0.8 power factor leading. Use the approximate circuit.

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 3.11MCQ: For a short-circuit test on a 2-winding transformer, with one winding shorted, can you apply the...

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