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 ...

There is hardly a market sector that does not attempt to optimize its processes with the use of variable-frequency drives (VFDs) to operate its systems efficiently. It was VFDs that made speed control ...

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 ...