UNDERSTANDING UPS OPERATION
Eaton
Power Xpert 9395P-600 (380V-600V) UPS Installation and Operation Manual
S
P-164000710 Rev 1
www.eaton.com/powerquality
6-28
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.
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
*
Figure 6‐20. Typical Distributed Bypass System – Continuous Static Switch, 1+1 and 2+0 Configurations