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  1. eltekeng

    Zero sequence mutual impedance for underground cables

    Hi again.. I know it has been very long time to write but I wanted to post my solution in order to help the next questions.. Firstly, I used Carson's equations to build the matrix system. My system was double circuit actually but there were 7 meters between the circuits so I neglected the...
  2. eltekeng

    Zero sequence mutual impedance for underground cables

    Hi to everyone. I have been searching for the zero sequence mutual impedance equation for underground cables for a while. I am aware that this equation exists for overhead cables but does it so also for the underground cables? If not, how can I reach a rational result from existing formulas...
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