Abstract: Electrical stresses in industrial variable frequency drive (VFD) motors are increasing with the increasing voltage and dv/dt levels, and with the advent of wide bandgap power devices. This ...

Experts examine the procedure of commissioning, running it up and checking it out, medium-voltage VFDs rated 250 hp (186.4 kW) and larger at a minimum 2.3 kV voltage level. Equipment commissioning is ...

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 ...

MARION COUNTY, Miss. (WDAM) - Residents in the district protected by the Tri-Community Volunteer Fire Department in Marion County may notice some discoloration in its water over the next few weeks.