1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.8 power factor and 97% at 75% of full-load unity power factor. The power factor on no load is 0.2 and the full load regulation at a lagging power factor of 0.8 is 3%. a- draw the equivalent circuit referred to the low voltage side and insert all values. b- calculate the secondary voltage at 80% full-load and 0.707 power factor leading. c- find the maximum voltage regulation at full-load.
1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.8 power factor and 97% at 75% of full-load unity power factor. The power factor on no load is 0.2 and the full load regulation at a lagging power factor of 0.8 is 3%. a- draw the equivalent circuit referred to the low voltage side and insert all values. b- calculate the secondary voltage at 80% full-load and 0.707 power factor leading. c- find the maximum voltage regulation at full-load.
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 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...
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![1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.8
power factor and 97% at 75% of full-load unity power factor. The power factor on no
load is 0.2 and the full load regulation at a lagging power factor of 0.8 is 3%.
a- draw the equivalent circuit referred to the low voltage side and insert all values.
b- calculate the secondary voltage at 80% full-load and 0.707 power factor leading.
c- find the maximum voltage regulation at full-load.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3ca4076c-fa53-4e90-8ab3-a1289cd0fcb8%2F462ff0ad-9ec3-4eb0-b3af-fcfb7467ef9d%2Fd3zdv6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.8
power factor and 97% at 75% of full-load unity power factor. The power factor on no
load is 0.2 and the full load regulation at a lagging power factor of 0.8 is 3%.
a- draw the equivalent circuit referred to the low voltage side and insert all values.
b- calculate the secondary voltage at 80% full-load and 0.707 power factor leading.
c- find the maximum voltage regulation at full-load.
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