VFDs vs. Soft Starts vs. Contactors: Choosing the Right Motor Control for Your Crane
How contactors, soft starters, and variable frequency drives (VFDs) each control an overhead crane motor, why they aren’t interchangeable, when to specify which, and what Crane-Controls.com carries from Power Electronics.
How to Select a VFD for an Overhead Crane
How to select a variable frequency drive (VFD) for an overhead crane: open-loop vs. closed-loop control, why hoists need a physical backup or encoder feedback, sizing for crane duty, anti-sway...