The approximated equivalent circuit referred to the primary of a loaded single phase transformer is shown below. Reap jX ea p S - 10Z-36.87° A 0.20 Q j0.80 2 + o RC aVs jXM V p 10020° V RC 3j100 N 300 Q a) The 1300 VA, 100/200 rated transformer is fully loaded as shown at 0.8 power factor lagging. It is required to find the efficiency of the transformer at the above conditions. b) What would be the maximum efficiency of the transformer when the load power factor is kept the same as in a) and when Pcore = 33.33 W.
The approximated equivalent circuit referred to the primary of a loaded single phase transformer is shown below. Reap jX ea p S - 10Z-36.87° A 0.20 Q j0.80 2 + o RC aVs jXM V p 10020° V RC 3j100 N 300 Q a) The 1300 VA, 100/200 rated transformer is fully loaded as shown at 0.8 power factor lagging. It is required to find the efficiency of the transformer at the above conditions. b) What would be the maximum efficiency of the transformer when the load power factor is kept the same as in a) and when Pcore = 33.33 W.
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 3.31MCQ
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