There are well-known benefits of using variable-frequency drives (VFDs) to reduce energy consumed by induction motors. Federal, state and local agencies in the U.S. now all give incentives for ...

The headline above is a reminder that a fan and a damper, when assembled, become a fan + damper system, which is more than a simple sum of the two individual items of equipment. They may be operated ...

A gas supply operation in North America commissioned three new steam boilers in a plant expansion project that included a Robinson forced draft (FD) fan on each boiler. During the boiler start-up in a ...