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Induction machine slip control

  1. Dec 1, 2015 #1
    Say you wanted to have a generator or motor stay at near 90degrees for maximum torque while generating or motoring, over various loads or over various supply frequencies.
    I assume there is some established method of controlling this (varying the rotor resistance with feedback perhaps?) does anyone know what it is, or have any literature on it?

  2. jcsd
  3. Dec 1, 2015 #2
    You use a VFD as a component in vector control.

    No, you generally try to avoid having to interface anything with the rotor. The stator is where it's at.
  4. Dec 1, 2015 #3
    Damn, I was hoping it wouldn't come to variable frequency drives.
    Ok, thanks anyway.
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