4. A 100 kVA transformer has an iron loss of 1 kW and full-load Cu loss of 1-5 kW. Calculate the kVA loading at which the efficiency is maximum and its efficiency at this loading at 0-8 p.f. lagging. [82-3 kVA ; 97-05 %] 150 LISA

4. A 100 kVA transformer has an iron loss of 1 kW and full-load Cu loss of 1-5 kW. Calculate the kVA loading at which the efficiency is maximum and its efficiency at this loading at 0-8 p.f. lagging. [82-3 kVA ; 97-05 %] 150 LISA

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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4. A 100 kVA transformer has an iron loss of 1 kW and full-load Cu loss of 1-5 kW. Calculate the kVA
loading at which the efficiency is maximum and its efficiency at this loading at 0-8 p.f. lagging.
[82-3 kVA; 97-05 %)

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