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  1. twoPlusPlus

    Configure Variable Torque VFD to run a Constant Torque Motor

    I finally got a chance to work on this yesterday. Changing the Motor Control Type to Standard V/F (from its default Quad) seems to have helped somehow. Maybe because the motor itself seems to be oversized for what the application needs so it never needs 100% torque. @LionelHutz If I set the VFD...
  2. twoPlusPlus

    Configure Variable Torque VFD to run a Constant Torque Motor

    Motor overload fault (OLF)
  3. twoPlusPlus

    Configure Variable Torque VFD to run a Constant Torque Motor

    So, you think manually setting V/F will work? By the default, the Motor Control type was on VC Quad. And the VFD would fault out after running for a few hours.
  4. twoPlusPlus

    Configure Variable Torque VFD to run a Constant Torque Motor

    I designed an MCC panel which has this 75hp VFD (Normal Duty) and after getting an Overload fault on the VFD, it just dawned on me that the application needs constant torque. What can I do to salvage this situation before giving up and replacing the VFD? If let's say I decide to operate the VFD...

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