These variable-frequency drives (VFDs) accurately control the speed of standard AC induction or synchronous ... voltage pulse is the insulated gate bipolar transistor (IGBT), although ...

What is a variable frequency drive? Heating, ventilation, and air conditioning systems' air supply used to be constant volume into a space. Now a variable air volume control is being used to provide ...

Although much has been published on variable-frequency drives (VFDs), people continue to be confused by them. The intent of this article is to provide a basic overview of these devices by evaluating ...

Compressors with variable-frequency drives work more efficiently than conventional units, and reduce maintenance costs and noise levels. Compressed air is a vital utility to most commercial and ...

Keeping up with the terminology surrounding the usage of variable frequency drives can be daunting. Maybe if there were one place where you could look up definitions of these ever-increasing terms, it ...

But before diving right into tips about how to select a VFD, let’s take a closer look at how these units work. Variable-Frequency-Drive Functionality A VFD converter is generally made up of ...

Tip: Match the VFD phase to the motor’s phase for seamless integration and performance. Brands like ATO provide both single-phase and three-phase variable frequency drives (VFDs) that are designed to ...