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  • Users: nadica
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  1. nadica

    Smooth motion at low rpm with VFD

    Hi All, I would like to pick your brains if I may. I try to run a motor with FVD at very low speed, even just with a few Hz. I know this is not recommended and could lead to problems but ignoring that... I observed that the motor is not turning in a smooth manner rather like the second hand...
  2. nadica

    4-post test rig for damper setup

    Dear All, I am looking for information about the use of the 4-post test rig for damper setup evaluation. If anyone would be kind to share his/her knowledge or would point me to the source of information, I would like to know what excitation is used and what measures are evaluated to compare two...

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