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 ...

Homeowners rely on a continuous flow of water to do daily household activities like watering the lawn, laundry, running the dishwasher and giving the kids a bath. Often, these activities take place at ...

In this episode of “EC&M Tech Talk,” Randy Barnett, a journeyman electrician, electrical instructor, inspector, author, trainer, and electrical safety expert, first briefly discusses the background of ...

Variable frequency drives (or VFDs) are widely used throughout industry to provide adjustable speed control of ac motors. Although modern versions are relatively simple to install and operate, VFDs ...

Learn the 3 key differences between soft starters and VFDs Understand the energy and operating efficiency differences between soft starters and VFDs Find out which types of industrial applications are ...

Matching drive to motor is essential to gain the best combination of torque, speed, and efficiency. Selecting the right drive is essential to getting the best performance and efficiency from an ...

A variable frequency driven (VFD) is a type of motor that controls the levels of frequency and voltage that alter the speed of an electric motor. The drive alters torque and motor speed and can be ...

When it comes to making decisions among various automation technologies to perform a task, the answer is rarely clear cut. Ultimately, the decision is often tied to the specifics of the application ...

Variable frequency drives from UK VFD specialist, Invertek Drives, have always included the latest technologies to deliver a ...

ORLANDO, Fla. — Inside HVAC forced-air and hydronics systems alike, motors are hard at work blowing air, circulating water, cooling compressors, and more. And, while there are still a significant ...