Electronics

Electronics

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What is Wrong With AC Resistance Simulation?

    • Ilyas Aslan
      Subscriber

      I am trying to simulate AC resistance of a litz wire. In order to understand my simulation works well, I compare the results with solid conductor. Here is a simulation below:




       

      I defined Litz Wire as shown below:

       

      And here the results in a frequency band. Solid conductor AC resistance is less than Litz Wire in higher frequencies. How come is it possible? What is wrong with my simulation?

    • HDLI
      Ansys Employee

      Hello Ilyas,

             Could you show the losses for two coils? Could you check skin depth meshing for solid wires too? If no skin depth mesh, the resistance or losses may not be accurate for the solid wire.

      HDLI 

       

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