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UNDERSTANDING UPS OPERATION
Eaton
Power Xpert 9395P-600 (380V-600V) UPS Installation and Operation Manual
S
P-164000710 Rev 1
www.eaton.com/powerquality
6-27
If at any time during the battery discharge the input power becomes available again,
the rectifier begins to supply DC current to the inverter. At this point, the UPS returns
to Normal mode. If at any time during the battery discharge the AC input power
becomes available again, each rectifier turns on, assumes the inverter load from the
batteries, and begins recharging the batteries. Depending on the total load and the
duration of the battery discharge, battery and rectifier input current limit alarms may
be seen for a short time due to the current required to recharge the batteries.
6.5
Multiple UPS Distributed Bypass System Oneline Configurations
The distributed bypass system oneline drawings in this section show the simplified
internal structure of the UPS, battery supply, and basic maintenance bypass in a
multiple UPS configuration. These onelines do not show each UPM in the UPSs, but
represent each UPS in the distributed bypass system. The following voltages apply:
380V, 400V, 415V, 480V, and 600V.
Oneline Drawing
UPS Model
System Type
Eaton 9395P-600/600
Eaton 9395P-600/550
Eaton 9395P-600/500
Eaton 9395P-600/450
Eaton 9395P-600/400
Eaton 9395P-600/300
Eaton 9395P-600/275
Eaton 9395P-600/250
Eaton 9395P-600/225
Eaton 9395P-600/200
Multiple UPS – Distributed Bypass, Continuous Static Switch,
1+1 and 2+0 Configurations
Eaton 9395P-600/600
Eaton 9395P-600/550
Eaton 9395P-600/500
Eaton 9395P-600/450
Eaton 9395P-600/400
Eaton 9395P-600/300
Eaton 9395P-600/275
Eaton 9395P-600/250
Eaton 9395P-600/225
Eaton 9395P-600/200
Multiple UPS – Distributed Bypass, Continuous Static Switch,
2+1 and 3+0 Configurations
Eaton 9395P-600/600
Eaton 9395P-600/550
Eaton 9395P-600/500
Eaton 9395P-600/450
Eaton 9395P-600/400
Eaton 9395P-600/300
Eaton 9395P-600/275
Eaton 9395P-600/250
Eaton 9395P-600/225
Eaton 9395P-600/200
Multiple UPS – Distributed Bypass, Continuous Static Switch,
3+1 and 4+0 Configurations