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Coil modeling in Flux 2D

Hi,

I am trying to model a single-phase machine on Flux2D and I have a question about coil modeling.

I have found the picture below in a document and from what I understand it requires a stranded conductor plus an inductor and a resistance which are used to model the front and back parts of the coil, which are therefore not represented in 2D. But according to my knowledge the inductance of a wire line is really negligible, so why is it necessary to put a value for it ? I also performed some tests and the resistance seems to match the resistance to be entered in the stranded conductor component. The document might be too old for the version I am using (2018.1.2) so if anyone has something more accurate and which can help me, I would be thankful.

Aurélien.

image.png.8a2e03c3816a1eae75c2bd305bfef153.png

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asoualmi

Hi,

About the inductance in the circuit, this allows to take into account the inductance of the end winding (because we are in 2D, we can’t represent it).

In Flux supervisor example, there an example about single phase induction machine. There are different steps you need to follow to create your project and solve it.

Flux 2D >> example supervisor >> application note: select single phase induction machine

Best regards.

Aurelien.C

Ok, I will look at the example, thank you

asoualmi

You are welcome.

Ovando_RBB

Hi there,

The inductance and resistance in the referred circuit above can help you to compensate for the resistance and inductance contributions of the return loops in the circuit as you are modelling the loop in 2D.

If you are not sure about which values to use for those lumped resistors and inductors; you can always do the 3D modelling of the same geometry under the same electrical restrictions.

Hope this comment helps!