Electronics

Electronics

AC resistance in inductor, using Maxwell

    • Patrick
      Subscriber

      Hi,


      I'm trying to use Maxwell Transient Solver to calculate the AC resistance of the conductive element in an inductor.   The principle I'm attempting to use is that Rac = (Vapplied-Vinduced)/Total current.


      I am correctly viewing the skin effect portrayed in the J field so all good so far.


      But if I take Vapplied, Vinduced and the reported winding current,  the voltage delta divided by the reported total winding current yields a constant  resistance versus frequency.    I know the tool has better data than this, given it's correct representation of the J field.


      ( I also tried getting the total current from the field calculator, but again, I came out with a constant, which is incorrect.  )

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