Hello all,
I've been visiting a facility over the last two days trying to troubleshoot a problem with thirteen 460V 2HP VFDs; package class Deltas. These are very compact, but they do have quite the feature set. When I was first notified of the problem, I was informed that on multiple...
Hello all,
Keeping AC and DC separated has always been a rule I've followed. I've got a space-limited application now though that would easily be cured by having a multi-conductor cable between two cabinets, using three conductors for my AC and the remaining two or three for my DC. The...
I have a customer with a Powerflex 40 VFD, 10 HP, driving 5 1.5HP motors. We employed a single MTE load reactor between the VFD and the motors. As long as the system runs on a 4kHz carrier, we don't have a problem. Unfortunately, this customer has found the audible motor noise undesireable...
