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You are here: Home / Topics / 3-phase AC induction motor control using AVR micro controller

3-phase AC induction motor control using AVR micro controller

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Microcontroller › AVR › 3-phase AC induction motor control using AVR micro controller

  • This topic has 1 reply, 2 voices, and was last updated 8 years, 9 months ago by GANEEV SINGH.
Viewing 2 posts - 1 through 2 (of 2 total)
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    Posts
  • February 10, 2011 at 4:08 am #720
    thomas
    Participant

    Hello,can any helps me how to control ac 3 phase induction motor,which have control unit,power supply unit,display and communication unit and etc.thanks. 

    October 1, 2016 at 1:01 pm #14176
    GANEEV SINGH
    Participant

    Hi Thomas

    I have done a similar work which involved a heavy duty 3-phase ac motor. The thing with 3 phase AC motors is that if you want to reverse their direction, you just need to interchange any two wires out of three, third remaining at its previous contact. I made use of 2-phase  contactors for such switching, which were being operated by relays. These relays were commanded by a microcontroller according to the function desired. Also make sure that when you want to stop such a motor always remember to switch-off alteast two of its phases, otherwise you'll end up with a heated motor.

    This might help.

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