Eaton Power Xpert 9395P-900 Series - Figure 6-21. Typical Distributed Bypass System - Continuous Static Switch, 1+1 and 2+0 Configurations

Understanding UPS Operation
Eaton
®
Power Xpert
®
9395P-900 UPS Installation and Operation Manual P-164000501—Rev 09 www.eaton.com/powerquality 6-29
Figure 6-21. Typical Distributed Bypass System - Continuous Static Switch, 1+1 and 2+0 Configurations
Battery Breaker
Battery
Converter
Inverter
K3
Fuse
Rectifier
K1
K2
Fuse
Fuse
Fuse
E6
E7
E8
E12
K5
Static
Switch
Fuse
E1
E2
E3
CB1
(optional)
UPS 1
A B
TIE
CABINET
E
AC Output to
Critical Load
E4, E5
BATTERY SYSTEM
MOB 1
MOB 2
(Not supplied
with the UPS)
C
E9
E10
E11
E12
D
Battery Breaker
Battery
Converter
Inverter
K3
Fuse
Rectifier
K1
K2
Fuse
Fuse
Fuse
E6
E7
E8
E12
K5
Static
Switch
Fuse
E1
E2
E3
CB1
(optional)
UPS 2
A B
E4, E5
BATTERY SYSTEM
(Not supplied
with the UPS)
C
E9
E10
E11
E12
D
*
***
NOTE This oneline does not show each UPM in the UPSs, but represents each UPS in the distributed bypass system. The internal
structure of each UPS is shown in Figure 6‐8.
A – AC Input to UPS Rectifier
B – AC Input to Bypass
C – DC Input from Battery
D – UPS AC Output to Tie Cabinet
E – Output to Critical Load
* – Overcurrent Protection supplied by customer
*