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  1. pafkatata

    Unclarity about wound rotor of old motor and VFD

    rasevskii: Thank you very much for the info so far. Please check in the next few days.I will post more photos and info about this motor.
  2. pafkatata

    Unclarity about wound rotor of old motor and VFD

    Posting another photo from the motor plate. "Is that a slip energy recovery system using a big motorized variac?". I doubt it but I am not sure.http://files.engineering.com/getfile.aspx?folder=9b2ab6ee-579f-48df-a6bf-37a7d6758ad7&file=3.jpg
  3. pafkatata

    Unclarity about wound rotor of old motor and VFD

    I am posting another photo now because i can post only one photo per post.This one is the rotor inside and connecting to these brushes, as you can see there 6 lines overall but here you can see only 4. http://files.engineering.com/getfile.aspx?folder=9888defb-e744-4ff6-bc87-4b4f1e390373&file=1.jpg
  4. pafkatata

    Unclarity about wound rotor of old motor and VFD

    Hello, I have problem with an old asynchronous motor with wound rotor it is VEB MEZ VSTEIN.I am intending to run the motor via frequency inverter by connecting it to the stator windings. I need to short circuit the rotor, but there are 6 poles coming out (a,b,c and a0,b0,c0) from the wound rotor...

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