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@nitbharambe nitbharambe commented Nov 3, 2025

I am not sure about the exact modelling. 0.1 definitely seems incorrect. Is Maybe it is such that the impedance becomes twice as rating is of a single z winding? I see this change in d3fcf1d. @TonyXiang8787 need your input.

Signed-off-by: Nitish Bharambe <[email protected]>
Signed-off-by: Nitish Bharambe <[email protected]>
Signed-off-by: Nitish Bharambe <[email protected]>
@nitbharambe nitbharambe self-assigned this Nov 3, 2025
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TonyXiang8787 commented Nov 3, 2025

@nitbharambe See below. The zero-sequence impedance of zigzag transformer, is approximately 0.1 \times Z_1.

https://www.linkedin.com/pulse/advantages-yzn-transformers-over-dyn-small-250kva-ebrahim-barghamadi/

Transformer Zigzag Winding

Signed-off-by: Nitish Bharambe <[email protected]>
@nitbharambe nitbharambe changed the title Zigzag winding transformer modelling Zigzag winding transformer modelling comment Nov 3, 2025
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Clear enough. Thanks for sharing the article. Quite informative!

@nitbharambe nitbharambe added the documentation Improvements or additions to documentation label Nov 3, 2025
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sonarqubecloud bot commented Nov 3, 2025

@TonyXiang8787
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@nitbharambe why adding one comment causes CI to fail?

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mgovers commented Nov 4, 2025

@nitbharambe why adding one comment causes CI to fail?

unrelated to this PR. Nightly is also failing. I'm on it.

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@TonyXiang8787 Different issue. Nightly is failing too.

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4 participants