In a 25kVA single phase transformer the core loss and full load copper losses are respectively 320 and 380 Watts. A) What is the efficiency at half load and 0.866 power factor lagging? B) Determine the load in kVA in which the efficiency is maximum.
In a 25kVA single phase transformer the core loss and full load copper losses are respectively 320 and 380 Watts. A) What is the efficiency at half load and 0.866 power factor lagging? B) Determine the load in kVA in which the efficiency is maximum.
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 3.15P: Rework Problem 3.14 if the transformer is delivering rated load at rated secondary voltage and at...
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- In a 25kVA single phase transformer the core loss and full load copper losses are respectively 320 and 380 Watts. A) What is the efficiency at half load and 0.866 power factor lagging? B) Determine the load in kVA in which the efficiency is maximum.
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