You have a 5MVA three-phase 4160/480V transformer that has an impedance of 4.63%. a. Calculate input current at full load b. Calculate output current and output voltage at full load c. Calculate the line - to - line short circuit current the transformer can supply.

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 3.28MCQ
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You have a 5MVA three-phase 4160/480V transformer that has an impedance of
4.63%.
a. Calculate input current at full load
b. Calculate output current and output voltage at full load
c. Calculate the line - to - line short circuit current the transformer can
supply.
Transcribed Image Text:You have a 5MVA three-phase 4160/480V transformer that has an impedance of 4.63%. a. Calculate input current at full load b. Calculate output current and output voltage at full load c. Calculate the line - to - line short circuit current the transformer can supply.
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