Posts tagged with: VFD

How to Calculate the RPM of a VFD

| |

By on August 27, 2019

How do you calculate the RPM (Revolutions Per Minute) of a Variable Frequency Drive (VFD)? This is what we will go over in this post. A Variable Frequency Drive, which is most often abbreviated as VFD, is a type of mechanical drive system used to control AC motor speed and torque by varying motor input […]

Read More

I Just Changed My Motor Bearings and They’re Bad Again!

| | | | |

By on December 20, 2017

When performing vibration analysis, it is observed that machines with VFD drives have a more frequent occurrence for changing motor bearings.  If you’ve been diligent in the installation and maintenance of these machines, ensuring the alignment and balance are within specification and the bearings are properly lubricated, but still have frequent bearing failures, it may […]

Read More