Q1.A 50-kVA distribution transformer has full-load load maximum efficiency of 98% at a unity power factor. Calculate it's all day efficiency if it is loaded throughout the day as follows. Full load for 4 hours. Quarter of full-load for 2 hours. Half full-load for 6 hours. No load for rest of the day.

Q1.A 50-kVA distribution transformer has full-load load maximum efficiency of 98% at a unity power factor. Calculate it's all day efficiency if it is loaded throughout the day as follows. Full load for 4 hours. Quarter of full-load for 2 hours. Half full-load for 6 hours. No load for rest of the day.

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 3.57P: A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when...

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