In a 25KVA, 2000 / 200 V power transformer, the iron and full load copper losses are 355W and 400W respectively. Calculate the efficiency at (i) full load, 0.8 pf, (ii) half load, 0.6 pf, (iii) Quarter load, 0.45 pf
In a 25KVA, 2000 / 200 V power transformer, the iron and full load copper losses are 355W and 400W respectively. Calculate the efficiency at (i) full load, 0.8 pf, (ii) half load, 0.6 pf, (iii) Quarter load, 0.45 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 3.32MCQ
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In a 25KVA, 2000 / 200 V power transformer, the iron and full load copper losses are 355W and 400W respectively. Calculate the efficiency at (i) full load, 0.8 pf, (ii) half load, 0.6 pf, (iii) Quarter load, 0.45 pf
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