A single-phase, 25kVA, 220/440V transformer has the following test results: - Open circuit test (HV side open): 220V, 9.5A, 650W Short circuit test (LV side shorted): 37.5V, 55A, 950W a) Determine the rated voltage and current for the high-voltage and low voltage sides. b) Draw the equivalent circuit referred to the HV side. c) Determine the voltage regulation at 75% full load, 0.6 PF leading

A single-phase, 25kVA, 220/440V transformer has the following test results: - Open circuit test (HV side open): 220V, 9.5A, 650W Short circuit test (LV side shorted): 37.5V, 55A, 950W a) Determine the rated voltage and current for the high-voltage and low voltage sides. b) Draw the equivalent circuit referred to the HV side. c) Determine the voltage regulation at 75% full load, 0.6 PF leading

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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