To ensure its safe operation, a VFD should also be listed and labeled by the Occupational Safety and Health Administration's Nationally Recognized Testing Laboratory (NRTL) as a complete unit, capable ...

For motors controlled by a variable frequency drive (VFD), the control method used in large part determines a motor’s efficiency and performance in an application.

Normally, the VFD also has a backlit liquid crystal display that shows a variety of motor operational parameters that are fully programmable by the user. Solid-state devices, such as the ...

A Variable Frequency Drive (VFD) regulates the speed of a 3-phase AC electric motor by controlling the frequency and voltage of the power it delivers to the motor. These devices, also known as ...