A 20 kVA, 1000/250, 50 Hz, single-phase transformer is operating at maximum efficiency at full load. If the full core losses are equal to 500 W. (a)Determine the variable copper losses. Determine the load power factor. (b) (c)Determine the input power. (d) Determine the loading factor. (e)Determine the maximum efficiency of the transformer.
A 20 kVA, 1000/250, 50 Hz, single-phase transformer is operating at maximum efficiency at full load. If the full core losses are equal to 500 W. (a)Determine the variable copper losses. Determine the load power factor. (b) (c)Determine the input power. (d) Determine the loading factor. (e)Determine the maximum efficiency of the transformer.
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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![A 20 kVA, 1000/250, 50 Hz, single-phase transformer is operating at
maximum efficiency at full load. If the full core losses are equal to 500 W.
(a)Determine the variable copper losses.
Determine the load power factor.
(b)
(c)Determine the input power.
(d)
Determine the loading factor.
(e)Determine the maximum efficiency of the transformer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa342d293-5589-4d85-a70e-3376cd2da370%2F0c28f4f4-59d3-48f1-8a35-d0c735929580%2Fcoo1fyo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 20 kVA, 1000/250, 50 Hz, single-phase transformer is operating at
maximum efficiency at full load. If the full core losses are equal to 500 W.
(a)Determine the variable copper losses.
Determine the load power factor.
(b)
(c)Determine the input power.
(d)
Determine the loading factor.
(e)Determine the maximum efficiency of the transformer.
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