How to run correctly a three phase power transformer using symmetry

Iñigo Izaguirre
Iñigo Izaguirre Altair Community Member
edited February 2022 in Community Q&A

Hello,

 

I am trying to simulate a 220kVA 320/400 Dyn11 power transformer in flux using symmetries because like that I would be able to make a better mesh and also reduce the simulation time. For that I have a full model of the same transformer in flux with the correct results.

 

I have cutted the model in four parts and deleted three of themo to apply simmetry in two planes. I dont have any error so I can make the simulation but the results are totally incorrect. I would like to know how is the proper way to do it because I think Im missing something. I will attach the model here if anyone want to have a look at it. 

image

incorrect results and the correct ones from a full model simulation

imageimage

Thank you,

 

Iñigo

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Best Answer

  • SimonGuicheteau
    SimonGuicheteau
    Altair Employee
    edited February 2022 Answer ✓

    Hello Inigo,

     

    you defined a tangent magnetic field symmetry on the ZX plane, you need to change it to Normal magnetic field.

     

    Best regards

Answers

  • SimonGuicheteau
    SimonGuicheteau
    Altair Employee
    edited February 2022 Answer ✓

    Hello Inigo,

     

    you defined a tangent magnetic field symmetry on the ZX plane, you need to change it to Normal magnetic field.

     

    Best regards

  • Iñigo Izaguirre
    Iñigo Izaguirre Altair Community Member
    edited February 2022

    The results are correct know

    Thank you!

     

    Iñigo Izaguirre

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