Refer to Figure 8-30 to answer the following questions.   Assume that a line voltage of 2400 volts is connected to the primary of the three-phase transformer and the line voltage of the secondary is 240 volts. What is the turns ratio of the transformer?  How much current is flowing through the secondary winding?  How much current is flowing through the primary winding

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 3.21MCQ: In order to avoid difficulties with third-harmonic exciting current, which three-phase transformer...
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Refer to Figure 8-30 to answer the following questions.  

  1. Assume that a line voltage of 2400 volts is connected to the primary of the three-phase transformer and the line voltage of the secondary is 240 volts. What is the turns ratio of the transformer? 
  2. How much current is flowing through the secondary winding? 
  3. How much current is flowing through the primary winding? 
Z = 2.77 N
mu
Ep
Ip
Ep
Ip
Ep
EL
EL
EL
Figure 8-30 Example 1: Three-phase transformer calculation.
Transcribed Image Text:Z = 2.77 N mu Ep Ip Ep Ip Ep EL EL EL Figure 8-30 Example 1: Three-phase transformer calculation.
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