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I have a question about Transformer Modeling..

Posted Dec 10, 2009, 9:32 p.m. EST 1 Reply

HyunSoo Park
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Hi.

Now, I am modeling simply transformer in 2D.

I wanna determine the induced current of secondry wire.

I used the Comsol Sover which is AC/DC Module -> Quasi-Statics, Magnetic -> Perpendicular Induction Currents, Vector Potential -> Time-harmonic analysis

Expecting a response to this question
1 Reply Last Post Dec 13, 2009, 9:15 p.m. EST
Robert Koslover Certified Consultant
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Posted: 1 decade ago Dec 13, 2009, 9:15 p.m. EST
I'm not sure this can be done in 2D. Real-world transformers have closed and finite current loops. Your choice of applications has currents only perpendicular to the plane of the computation, and of infinite extent (in/out of the plane) But you would have other issues in the in-plane currents application anyway. I suppose if you don't have enough memory for a good 3D model, you could model parallel current rings in axial-symmetry 2D mode.

Anyway, what is the geometry of the transformer you are trying to model?
I'm not sure this can be done in 2D. Real-world transformers have closed and finite current loops. Your choice of applications has currents only perpendicular to the plane of the computation, and of infinite extent (in/out of the plane) But you would have other issues in the in-plane currents application anyway. I suppose if you don't have enough memory for a good 3D model, you could model parallel current rings in axial-symmetry 2D mode. Anyway, what is the geometry of the transformer you are trying to model?

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