A 500kW transformer is required to operate for 5 hours at % load and 8 hours at full load and at no load for rest of the period of a day. Calculate their all day efficiencies and decide which of the two transformers be chosen if the full load losses in them are as follows: Transformer A-Iron loss 1 % add copper loss 25%. Transformer B- Iron loss 1 %% and copper loss 1 %%.
A 500kW transformer is required to operate for 5 hours at % load and 8 hours at full load and at no load for rest of the period of a day. Calculate their all day efficiencies and decide which of the two transformers be chosen if the full load losses in them are as follows: Transformer A-Iron loss 1 % add copper loss 25%. Transformer B- Iron loss 1 %% and copper loss 1 %%.
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 3.9P
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