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The secondary winding of a real transformer has a terminal voltage of v,() = 282.8 sin 3771 V. The turns ratio of the transformer is 100-200 (a=0.50) If the secondary current of the transformer is i,(t) = 7.07 sin (3771-36.87") A, what is the primary current of this transformer? What are its voltage regulation and efficiency? The im- pedances of this transformer referred to the primary side are 36.87 19 R = 0.202 Xeq = 0.80 Re=300 X = 1002

The secondary winding of a real transformer has a terminal voltage of v,() = 282.8 sin 3771 V. The turns ratio of the transformer is 100-200 (a=0.50) If the secondary current of the transformer is i,(t) = 7.07 sin (3771-36.87") A, what is the primary current of this transformer? What are its voltage regulation and efficiency? The im- pedances of this transformer referred to the primary side are 36.87 19 R = 0.202 Xeq = 0.80 Re=300 X = 1002

Power System Analysis and Design (MindTap Course List)
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 3.32MCQ
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The secondary winding of a real transformer has a terminal voltage of v,() = 282.8 sin 3771 V. The turns ratio of the transformer is 100-200 (a=0.50) If the secondary current of the transformer is i,(t) = 7.07 sin (3771-36.87") A, what is the primary current of this transformer? What are its voltage regulation and efficiency? The im- pedances of this transformer referred to the primary side are 36.87 19 R = 0.202 Xeq = 0.80 Re=300 X = 1002
Transcribed Image Text:The secondary winding of a real transformer has a terminal voltage of v,() = 282.8 sin 3771 V. The turns ratio of the transformer is 100-200 (a=0.50) If the secondary current of the transformer is i,(t) = 7.07 sin (3771-36.87") A, what is the primary current of this transformer? What are its voltage regulation and efficiency? The im- pedances of this transformer referred to the primary side are 36.87 19 R = 0.202 Xeq = 0.80 Re=300 X = 1002
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