Motors make the HVAC world go ‘round — or, at the very least, in the HVAC business, they make the air go ‘round. And while some motors last for many years without any issues, others stop working ...

When a motor drive goes down, production often grinds to a halt. How do you find and resolve the problem quickly? When that variable frequency drive (VFD) goes down, you're under pressure to get it ...

Single- and three-phase alternating current (AC) motor speed can be controlled by controlling the frequency of the voltage coming to it. Motor speed has a lot to do with the capacity of refrigeration ...

Last year, the plant upgraded a large, critical motor system by adding a variable frequency drive (VFD). The main impetus for this decision was to stop the damage from across the line starts, an ...