There's no one single CFM rating that's perfect for everyone. Our roundup of best battery powered leaf blowers includes ...

Variable speed control of a compressor motor significantly reduces both the peak and average energy consumption. However, since the standards for air conditioners require a reduction in the seasonal ...

A leaf blower’s strength is described by two key stats. Miles per hour (mph) and cubic feet per minute (CFM). Many consumers ...

Find out which affordable DeWalt tools homeowners swear by for DIY projects, combining reliability, and performance without ...

These battery-powered saws are even more powerful than their gas-powered competition. Plus, they're quieter and easier to ...

Variable speed drives (VSDs), sometimes also known as variable frequency drives, are electronic devices used to regulate the speed of an ac induction motor. Electric motors consume approximately 25% ...

“A bunch of things are coming together.” That's how V Sukumar, a senior applications manager for Fairchild Semiconductor, begins a discussion of trends in motor control for the white-goods market.

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 ...

Geothermal heat pumps (GHPs) have been around for a long time, but recent technological advances have propelled these systems into a new sphere of efficiency and comfort, said Doug Dougherty, ...

The Collaborative Working Principle of Variable Frequency Power Supply and Motor According to the asynchronous motor speed ...

If your browser supports HTML5 you can opt into the experimental HTML5 video playback on YouTube. Not only will you get smoother video playback—goodbye Flash!—but ...