I didn't mean that the PDU acts as a conditioner, just that it was meant to isolate the loads from the generator when run on bypass. I had been told by a couple of vendors that a PDU was overkill and that we could replace it with an isolation transformer and panelboard. I just wanted to throw it...
We are looking at a redesign for our control center UPS system. We have the option of duplicating the existing setup, which has been troublefree or making some cost savings by installing a ferro transf. & 42cct panel in place of a PDU.
99.9% of the time the PDU does no more than act as a...
We have a SR750 relay that when tripped activates an 86 lockout relay. Problem being that when the utility experiences a system sag, we go down on undervoltage or loss of phase and have to send an operator out to manually reset the 86. Ideally we want to have the 750 initiate a 86 lockout except...
