VFD stands for variable frequency drive and its purpose is to operate an AC motor at various speeds or facilitate gradual speed increases for a smooth startup the functioning of vfds involves modifying the motor's frequency to control its revolutions per time. Link for the VFD: https://www.cncele.com/search.php?s=variable&cat= #cncelectric #cnc #electric #electricalengineering #electricalwork #vfd #variablefrequencydrive Join CNC Electric for more info about electrical equipment with durability