Variable frequency drives (VFDs) have become a preferred method of process control for electric motor driven equipment ranging from vertical water pumps to centrifugal air fans. The following is a basic discussion of risks of using a VFD with direct driven centrifugal fans and methods of mitigating those risks to maintain equipment reliability.
- David Sheffler
- IVC Technologies
VFDs seem to be taking over the world; however, you may hear ultrasound inspectors complain they are having trouble interpreting data. Is there a simple assessment? Find out more in this short video…
- Allan Rienstra
- SDT International