Q2// Calculate the efficiency of transformer on full load at 0-8 p.f. lagging for a 25 KVA 440/220-V, 50-Hz, single -phase transformer from the following test data: Open circuit test : 220 V, 9.6 A, 710 W – on L.V. side. Short circuit test : 42 V, 57 A, 1030 W - on H.V. side.

Q2// Calculate the efficiency of transformer on full load at 0-8 p.f. lagging for a 25 KVA 440/220-V, 50-Hz, single -phase transformer from the following test data: Open circuit test : 220 V, 9.6 A, 710 W – on L.V. side. Short circuit test : 42 V, 57 A, 1030 W - on H.V. 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 3.65P: Reconsider Problem 3.64 with the change that now Tb includes both a transformer of the same turns...

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Q2// Calculate the efficiency of transformer on full load at 0-8 p.f. lagging for a 25 KVA
440/220-V, 50-Hz, single -phase transformer from the following test data:
Open circuit test : 220 V, 9.6 A, 710 W – on L.V. side.
Short circuit test : 42 V, 57 A, 1030 W - on H.V. side.

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