7- The Full load. Cu loss and iron loss of a transformer are 920 W and 430 W respectively. (i) Calculate the loading of the transformer at which efficiency is maximum (ii) what would be the losses for giving maximum efficiency at 0.85 of full-load if total full-load losses are to remain unchanged 2

7- The Full load. Cu loss and iron loss of a transformer are 920 W and 430 W respectively. (i) Calculate the loading of the transformer at which efficiency is maximum (ii) what would be the losses for giving maximum efficiency at 0.85 of full-load if total full-load losses are to remain unchanged 2

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 3.32MCQ

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7- The Full load. Cu loss and iron loss of a transformer are 920 W and
430 W respectively. (i) Calculate the loading of the transformer at
which efficiency is maximum (ii) what would be the losses for giving
maximum efficiency at 0.85 of full-load if total full-load losses are to
remain unchanged?

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