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
Due to limited time and tight schedules, major outages require many resources and are often stressful processes. While many companies focus on reactive maintenance because of a culture built decades ago, a small perspective change toward a proactive approach can provide enormous value to equipment reliability and uptime.
- Ed Duda
This presentation will provide aid in the proper diagnosis of the condition heard. Recorded ultrasound examples will be played in both FFT and time waveform in a spectrum analysis software so that you will leave better equipped to diagnose anomalies…
- Adrian Messer
- UE Systems