Two tests were performed on a 4-kVA , 200/400 V transformer to in order to determine its efficiency. Given an open circuit with 200 volts supplied to the primary winding and power of 60 watts. A short circuit with 16 volts is applied to the high voltage winding, and a current of 8 amperes with power of 40 watts. a) Solve for the full load efficiency at unity pf.

Two tests were performed on a 4-kVA , 200/400 V transformer to in order to determine its efficiency. Given an open circuit with 200 volts supplied to the primary winding and power of 60 watts. A short circuit with 16 volts is applied to the high voltage winding, and a current of 8 amperes with power of 40 watts. a) Solve for the full load efficiency at unity pf.

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 3.11P: For the transformer in Problem 3.10. The open-circuit test with 11.5 kV applied results in a power...

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