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Hello, everyone
I recently started using the PEEC method inside Flux and I would like to know what is the best way (if possible) to model or import a coil composed by Litz wires.
Thank you.
Hello;
can you please tell us why you want to model all the wires ?
If it is to see if there are additionnal losses, may be it is better to use Flux in AC Steady state application. There is homogenized coil conductor region, where it is only needed, to indicate the wire size, number of wires in one direction, and number of wires in the perpendicular direction. You can then make a study depending on the frequency and plot the losses vs Frequency later.
Regards
Hello,
I've been conducting a comparison experiment on a WPT system. The PEEC would be useful for simulating with a metamaterial and it would be important to keep the coil properties from the previous FEM simulation, modeled with Litz wires to reduce skin effect losses.
I agree with Farid, Flux in steady state with "coil with losses" model should be better than representing each wire individually in PEEC.
Also depending on the shape, PEEC could be unadapted (rounded or circular shapes would not be ideal)
Hi there,
I agree with the comments above; it depends on what you want to analyze.
I can say that I've found two reliable approaches for this kind of modeling:
1. Simplified Method (2D Steady-State AC Magnetic – XY or Axisymmetric). In this case, you define the litz wire’s cross-section as a coil conductor region and assign its electrical characteristics using the Coil Loss Models menu.
2. Detailed Method (2D/3D Steady-State AC Magnetic)This approach is more detailed but offers broader applicability, including full 3D simulations. You model the litz wire coil as a solid volume and then apply the resistance value provided by the manufacturer. You’ll need to request this resistance specification from the supplier directly, as it’s based on their internal design. Please find some good information from New England Wire.
Hope this comment helps!
