Should you specify an “inverter duty,” “inverter ready,” “inverter rated,” or a “VFD compatible” motor for your fans and pumps in HVAC applications? Is there a difference in these terms? Don’t answer ...

LS ELECTRIC’s G100 General AC Drive offers compact, flexible motor control with built-in safety and simplified installation.

Sometimes one-size-fits-all is a good idea, but other times some research can yield a better solution. A generic beanie cap might fit anybody, but a dress shirt needs to be the right size. For ...

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 ...

This file type includes high resolution graphics and schematics when applicable. Determine if a VFD is right for your application. The primary function of a variable frequency drive is to vary the ...

Industrial automation projects tend to use standardized components and employ common features for good reasons, primarily to promote simplicity and re-usability. But occasionally, technology ...

A variable frequency drive (VFD) fails to vary the discharge-air fan speed. A motor overheats and fails prematurely. Programmable controls that generally operate without issue suddenly experience ...

Motors controlled by variable frequency drives (VFDs) are vulnerable to electrical bearing damage. A savvy specifier will choose new motors that are already equipped with shaft grounding rings, but ...