rexxar

rexxar
rexxar Altair Community Member
edited October 2020 in Community Q&A

Hello,

Im working on simulation for induction motor. But i'm little bit confused with making a circuit. The example A is from flux tutorial and B is something what i made.


1. In example A, is this circuit represent star connection of stator (all coil conductor connected in one point and one ground) or can i connected them seperate like is example B (every circuit, coil have ground connection) and what is the diffrence ?


2. How to connect squirrel cage. Are he need to bee connected to the circuit like in example A or can he be connected separately to the ground like a example B ?


Thank you,

Best regards.

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Answers

  • Farid zidat_20516
    Farid zidat_20516
    Altair Employee
    edited July 2020

    Hello; 

     

    If the you supply with balanced three phase current system, A or B are OK. If you supply with Voltage sources, you need to use A. But why do you want to use B configuration ?

     

    Please find bellow the answers to your questions:

     

    1- A is a star connection, but you need to add in parallel a big resistance:

    image.png

     

     

    2- The squirrel cage component need to be connected to the ground, so even in Circuit A, you can connect it seprately to the ground.

     

     

    Regards 

  • rexxar
    rexxar Altair Community Member
    edited July 2020

    Thank you very much for fast reply.
    So if i want simulate delta connection it will be like this.

     

    image.png.4f01b7539f72252bdcb7d1f4fe8251fd.png

  • asoualmi
    asoualmi
    Altair Employee
    edited July 2020

    Hi,

    Find attached a PDF file which sommeriez the different configurations of electrical circuit.

     

    Best regards

    Unable to find an attachment - read this blog

  • rexxar
    rexxar Altair Community Member
    edited July 2020

    Hi,

    Find attached a PDF file which sommeriez the different configurations of electrical circuit.

     

    Best regards

     

    Thank you very much on that PDF!!

     

    Unable to find an attachment - read this blog

  • asoualmi
    asoualmi
    Altair Employee
    edited July 2020

    You are welcome.