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speed controller

Discussion in 'Electronic Basics' started by sarex, Jan 28, 2006.

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  1. sarex

    sarex Guest

    i have a v belt driven woodlathe that i want to change to variable
    electronic speed control. i dont know if it is single or 3 phase . runs on
    240 v. i know enough about electronics to follow a schematic but not enough
    to know what i am looking for. i tried google but got lost in the maze. if
    anyone could point me in the right direction i would be most thankfull.
    thanks in advance
  2. Phil Allison

    Phil Allison Guest


    ** You must find out what that motor is first.

    If YOU cannot tell by inspection you are in no position to make any sort of
    drive unit for it.

    Here are some commercial "variable frequency drives" that suit small single
    and three phase motors.

    .......... Phil
  3. Jasen Betts

    Jasen Betts Guest

    240V sounde like single phase a three phase motor would be marked for 415V
    and have a 5-pin plug.

    if that lathe is driven by an inducion motor (large, quiet, most lathes are)
    you're looking for a variable frequency drive, but may should also check
    withe the maker of the motor, there's some issues related to running single
    phase induction motors under speed...
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