Maxwell 3D number of conductors question

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Discussion Overview

The discussion revolves around the proper configuration of litz wire in Maxwell 3D simulations, specifically regarding the number of conductors in relation to the number of litz strands. Participants explore how to accurately represent litz wire in coil terminals within the software.

Discussion Character

  • Technical explanation, Conceptual clarification

Main Points Raised

  • One participant questions whether the number of conductors in the coil terminal should match the number of litz strands defined in Maxwell 3D.
  • Another participant states that litz wire is typically terminated by soldering all strands together, suggesting that only one conductor is used for the terminal connector.
  • A later reply confirms the use of one conductor when utilizing litz wire, indicating a preference for this configuration.
  • Another participant, unfamiliar with Maxwell, suggests that the effectiveness of litz wire may depend on the frequency involved and the capabilities of Maxwell to account for such details, implying that accurate representation is crucial for realistic results.

Areas of Agreement / Disagreement

There is no clear consensus on the optimal number of conductors to use in relation to litz strands, as participants present differing views on the configuration and its implications.

Contextual Notes

Participants express uncertainty regarding the specific capabilities of Maxwell 3D in modeling litz wire, particularly in relation to frequency effects and the representation of conductor configurations.

Melon
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Hi guys,
I wonder when I have defined the strand number of litz wire in copper material properities in Maxwell 3D, should I keep number of conductors in coil terminal added in a winding the same as number of of litz strand? For example, 2 for strands litz wire and then 2 for number of conductors? Thanks!
 
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Litz wire is terminated by soldering all the strands together and using one conductor for the terminal connector.
 
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Baluncore said:
Litz wire is terminated by soldering all the strands together and using one conductor for the terminal connector.
Thanks. So I will set 1 for number of conductors when I use Litz wire type. Thanks for your help.
 
I'm not familiar with Maxwell, but here is my take on it based on theory and some limited experience.

Sort'a depends on what frequency is involved and what details Maxwell can account for. Since Litz wire was developed to reduce losses from skin effect at higher frequencies, I expect that Maxwell would give closer to real-world results with the Litz wire fully described.

After all, someone (the designer) considered that Litz wire was needed. Hope it is already in a library somewhere!

My 2-cents worth,
Tom
 

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