Variable frequency drive units can be found inside tons of control cabinets, but what happens if you disassemble one to see what’s inside and how it works? We did just that. The results might surprise you. Here at this, we’ve been on a bit of a variable frequency drive (VFD) kick recently, but who can … Read more
Nidec’s Control Techniques has launched the SI-BACnet IP add-on module for new and existing HVAC drives to help communicate between devices and create a connected automated building. Recently, Japan-based industrial control manufacturer Nidec announced the release of a new product designed to drive more building automation capability toward motor control systems: the SI-BACnet IP module. … Read more
AC motors are common throughout industry – easily controlled by VFDs and without the maintenance that comes with DC brushes. So then, why are DC motors still used in certain applications? Direct Current (DC) Motors All motors work on the principle of switching magnet forces to rotate a shaft. A DC motor uses direct current … Read more