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MGE
TM
Galaxy
TM
6000 : Specification guide
Parallel UPS, three-phase, 250 to 3000 kVA*
* Power rating for an N+1 redundant configuration
APC By Schneider Electric Edition - 03/2009 Spec. E - 16
17 - Electrical diagram
Battery
Normal
A
C input
UPS 1
B
ypass
AC
i
npu
t
Load
Battery
Normal
A
C input
UPS 2
P < P1
P1 (kV
A
)
P1 (kV
A
)
Fig. 1. Two parallel-connected UPS units, with or without redundancy.
Load
UPS3
Normal
AC input
Normal
AC input
Bypass
AC input
Normal
AC input
UPS2
External bypass cabinet
UPS1
P1 (kVA) P1 (kVA)P1 (kVA)
Fig. 2. UPS system with common, external bypass (up to four units).