Figure 6‐23. Typical Distributed Bypass System (2+1 And 3+0 Configurations) - Eaton Power Xpert Plus 1 Installation And Operation Manual

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 represents each UPS in the distributed bypass system. The internal
structure of each UPS is shown in Figure 6‐6 through Figure 6‐9 starting on page 6-9, and Figure 6‐14 and Figure 6‐15 starting on page 6-17.
NOTE If the load requires a neutral, a bypass source neutral must be provided. DO NOT install both a source neutral and a bonding jumper.
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Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
A B
* *
E1 E6
UPS 3
E2
E7
Fuse
E3 E8
E12
CB1
(optional)
K1
Rectifier
Static
Switch
Fuse
K5
Fuse
Fuse
Inverter
K3
Battery
Converter
Fuse
K2
C
E4. E5
Battery Breaker
E9,
BATTERY SYSTEM
E10,
E11,
(Not supplied
E12 with the UPS)
D
Figure 6‐23. Typical Distributed Bypass System (2+1 and 3+0 Configurations)
A B
* *
E1 E6
UPS 2
E2
E7
Fuse
E3 E8
E12
CB1
(optional)
K1
Rectifier
Static
Switch
Fuse
K5
Fuse
Fuse
Inverter
K3
Battery
Converter
Fuse
K2
C
E4. E5
Battery Breaker
E9,
BATTERY SYSTEM
E10,
E11,
(Not supplied
E12 with the UPS)
D
S
164201701 Rev 3 www.eaton.com/powerquality
UNDERSTANDING UPS OPERATION
A B
*
*
E1 E6
UPS 1
E2
E7
Fuse
E3 E8
E12
CB1
(optional)
K1
Rectifier
Static
Switch
Fuse
K5
Fuse
Fuse
Inverter
K3
Battery
Converter
Fuse
K2
C
E4. E5
Battery Breaker
E9,
BATTERY SYSTEM
E10,
E11,
(Not supplied
E12 with the UPS)
D
TIE
CABINET
(Optional)
MOB 1
MOB 2
MOB 3
E
AC Output to
Critical Load
6-29