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  • doubt on induction motor

    bonty halo

    Member

    Updated: Oct 25, 2024
    Views: 1.1K
    Please tell me how the direction of 3-phase induction motor can be reversed.
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    Replies
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Replies

  • manishks

    Member • Nov 28, 2010

    see.....principal of a motor is that when a current carrying coil is kept in a magnetic field, the coil experiences a mechanical force which is given by

    F=IBLsintheta
    so,
    if you simply reverse the direction of magnetic field...then i suppose direction of force will be reversed.

    you should specify direction of what is needed to be changed..
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  • aj_onduty

    Member • Nov 29, 2010

    Just change any two phases. I believe that the direction will change. Correct me if I am wrong.
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  • suchithra

    Member • Nov 29, 2010

    phase sequence should be reversed for changing the direction
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  • Harshad Italiya

    Member • Nov 29, 2010

    aj_onduty
    Just change any two phases. I believe that the direction will change. Correct me if I am wrong.
    Yes aj, i too think that by changing any two phases we can change the direction but never done such practical.
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  • narayana murthy

    Member • Nov 29, 2010

    yes u all are correct but changing a magnetic field direction is a difficult task to change because it is fully covered so...... it is easy to change the phases to change the current direction then the motor can run on two directions
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