Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

For many retrofit projects, the use of a VFD seems like a “no brainer.” Drives are now cheaper and more reliable than ever, and the benefits of efficient control of motors can’t be beat. Still, there ...

Axial flow fans are critical components in many industrial and aerospace applications, where the interplay between aerodynamic performance and acoustic emissions is of paramount importance. Advances ...

SS White Technologies (H4/A4) is providing key components for Pratt & Whitney's variable area fan nozzle technology on the Bombardier CSeries programme, the US-based component supplier says. The Pratt ...