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Wye Delta transformation

  1. Jan 16, 2016 #1
    1. The problem statement, all variables and given/known data
    What can be special cases, in the study of electrical circuits, in which one can not apply wye delta transformation? Can someone graph them in some way?

    2. Relevant equations


    3. The attempt at a solution
     
    Last edited by a moderator: Jan 16, 2016
  2. jcsd
  3. Jan 16, 2016 #2
    The cube with resistors on all sides is an example.
     
  4. Jan 17, 2016 #3
    Alright..other cases instead???
     
  5. Jan 17, 2016 #4
    You can probably figure out how to obtain the resistance between opposite corners when all edges of the cube have equal resistance, but how would you do the general cube?

    Other examples are messy nets of resistors, current sources, and voltage sources.
     
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