Eaton Power Xpert 9395 - Figure 97. Typical Distributed Bypass System (1+1 and 2+0 Configurations)

Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15 149
Figure 97. Typical Distributed Bypass System (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
(Optional)
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
*
***
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 provided by customer
*
NOTE This oneline does not show each UPM in the UPSs, but represent
each UPS in the distributed bypass system.
NOTE
If the load requires a neutral, a bypass source neutral must be provided. DO NOT install bothasource neutral andabonding jumper.
Understanding UPS Operation