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 ...

A combination pump logic controller and vfd, part of the company’s microprocessor-driven pump controller line, can control up to three pumps in parallel, says the manufacturer. The Technologic® 500 ...

A recent trend in nuclear power plant upgrades has been the replacement of the motor-generator (MG) sets that drive the reactor circulating pumps with variable-frequency drives (VFD). Siemens’ first ...

Gorman-Rupp is pleased to offer a VFD (variable frequency drive) option for the Prime Aire® PA6C60C-B-E50 priming-assisted pump model. The 6” x 6” (150 mm x 150 mm) pump provides flows to 2,000 GPM ...

Optidrive E3 variable frequency drives (VFDs) from Invertek Drives have completely automated the control of pumps used to fill and empty ballast tanks on board commercial barges in the Netherlands. As ...

Honeywell and Danfoss are partnering to integrate variable frequency drive (VFD) technology with Honeywell's Experion Process Knowledge System platform to streamline motor control, reduce energy ...