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Guys, I have a question regarding a mathematical equation of a transformer

  1. Nov 10, 2008 #1
    I have been trying to figure it out, but nothing seems to help. my queston is simple, how are we able to derive a mathematical equation of a transformer for convesion of Delta connection to star or star to delta ?
     
  2. jcsd
  3. Nov 10, 2008 #2
    now, are you asking what the equations are? or are you asking how did we ever come up with the equations to begin with??
     
  4. Nov 10, 2008 #3
    im asking what the equation is.
     
  5. Nov 10, 2008 #4
    Assuming a balanced three-phase circuit,

    [​IMG]

    Where [​IMG] is the magnitude of the line-to-line voltage on a Delta connection, and [​IMG] is the magnitude of the line-to-neutral voltage on a Wye(star) connection.
     
  6. Nov 10, 2008 #5

    berkeman

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    Staff: Mentor

  7. Nov 10, 2008 #6

    Thanks for the help guys. This question was in my MID., it was a bonus question, either way I did not attempt it :( Just wanted to know

    Thank you :)
     
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