AC induction motors are widely used in industrial applications due to their reliability and low maintenance needs. Comprised of a stator and rotor, these motors convert electrical energy into ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

In this EC&M Tech Talk, electrical code and safety specialist Randy Barnett takes a look at variable frequency drives – what we commonly call VFDs. The NEC, however, specifies requirements for ...

This document details 50 of the most important variable frequency drive terms that VFD users should understand to specify and maintain their drives more effectively. Machine Design distills the ...

Compressed air is a vital utility to most commercial and industrial operations. It runs essential tools and machinery, provides power to material-handling systems, and clean air to processes. Yet ...