WEG UPS 10 kVA Serie Manual Del Usuario página 46

UPS Enterprise Parallelism Procedure
5.1.1 Battery Connection Layout
The batteries of the parallel system must be connected using a single battery bank for all UPSs,
according to Figure 5.3 on page
time of the system in case a device is not in operation, either for failure or maintenance.
R, S, T, N
Reserve
R, S, T, N
Mains
Figure 5.2: One-line diagram of a parallel system using a single battery bank
5.2 INSPECTION OF THE ELECTRICAL CONNECTIONS
The sequence of procedures contained in this chapter must be followed before connecting
the optical fibers.
When the whole system de-energized (all switches in the OFF position), check that the phase
sequence is correct (Figure 5.3 on page
Mains Res. Mains
line line line
DJER
DJE DJE
DJBP
UPS1
Manual
Bypass
DJS DJS
Output Output
Figure 5.3: Position of switch-disconnectors when the system is completely off
40 | Enterprise
40. This configuration allows to maintain the same backup
External manual Bypass
Manual Bypass
Automatic Bypass
PFC
Pos.
Neg.
Neutral
Manual Bypass
Automatic Bypass
PFC
Pos.
Neg.
Neutral
Manual Bypass
Automatic Bypass
PFC
Pos.
Neg.
Neutral
40).
Res. Mains
line line
DJER
DJE DJER
DJBP
UPS2 UPSn
Manual
Bypass
DJS
Output
s.sw.
INV.
UPS1
s.sw.
INV.
UPS2
s.sw.
INV.
UPS..N
Res.
Mains line Reserve
line
OFF
DJBP
Mains line Reserve
Manual
Bypass
OFF
R, S, T, N
Load
Battery bank
UPS 1
M-Bypass Output
OFF OFF OFF
UPS 2
M-Bypass Output
OFF OFF OFF