Sinamics G220 (photo) is a new multi-purpose, adjustable-speed drive that features built-in technology to reduce harmonics by ...

The device that controls the fan speed is called a variable speed drive. Variable frequency drives are also used on pumps and cooling towers to match the demand of the space with the proper energy ...

ABB has announced high-speed versions of its ACS880 variable-speed drives designed to improve the efficiency of high-speed ...