He continued, “With the wide frequency range and dc input to these motors, variable speed applications utilize motor control drive inverters to power the motors and set the operating frequency.

The variable-speed motor is a part of the UltraTech communicating system. By sharing information system-wide, this system automatically configures and checks system settings, making looking up and ...

Learn how and why Fallbrook Technologies is working on NuVinci continuously variable planetary-assisted superchargers on Motor Trend's WOT.

Variable speed limits (VSL) continue to be experimented with and at times are confusing to human drivers, meanwhile self-driving cars will readily accommodate VSL.

All of these new waveform and speed options opened the door to potential misapplication by the installer and end-user. This, in turn, brought about the need for a set of guidelines to help them ...

Roads with variable speed limits, designed to manage traffic flow, are normally adjusted according to simple rules, but a 27-kilometre section of the I-24 freeway near Nashville, Tennessee, is now ...

In a string of updates, YouTube now allows mobile viewers to speed up or slow down the video with variable speed. Here is how.

Compressors with variable-frequency drives work more efficiently than conventional units, and reduce maintenance costs and noise levels.