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-   -   20 Hp 3Ph motor, would like to control the RPM speed. Is there a way to do this? (https://www.askmehelpdesk.com/showthread.php?t=515458)

  • Oct 10, 2010, 05:42 PM
    qwe741852963
    20 Hp 3Ph motor, would like to control the RPM speed. Is there a way to do this?
    It is wired 480v. Right now aand is connected to a dust collection fan (direct drive). I need to slow it down so I can control the cfm and static pressure inside the lines.
  • Oct 10, 2010, 06:29 PM
    stanfortyman

    What you need is a VFD (variable frequency drive).

    Considering the application, setting and voltages involved this is a job for a qualified electrician.

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