The Pacesetter models 2994 and 2998 three-phase ac-motor speed controls drive 230 Vac, 50 Hz or 60 Hz, inverter-duty, three-phase gearmotors and motors ranging from 1/8 HP to 1 HP (746W). Both ...

The schematic of a PMSM drive using a DTC-based speed loop PDFF controller is shown in Fig. 1. This DTC scheme is implemented in stator flux frame, which requires knowledge of stator flux in ...

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 ...

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 ...

Compressed air is a vital utility to most commercial and industrial operations. It runs essential tools and machinery, provides power to material-handling systems, and clean air to processes. Yet ...

When implementing cooling solutions for electronic equipment, system designers are confronted with a complex set of variables. The cooling requirements are typically dynamic, and ambient temperatures ...

Noted automotive supplier ZF has announced it will build modular drive units for light-duty electric vehicles, which it plans to make available starting mid-decade. They’re improvements on ...