APC GALAXY 7000 - Manual (Page 22)

Prerequisites >
34020846EN/AD - Page 22
1. Installation
Power cables for parallel UPSs
Normal AC line and battery
Bypass AC line and load
M o d u l a r UP S s i n p a r a l l e l
1 Do not include redundant UPS units.
F r e q u e n c y c o n v e r t e r s
1
Do not include redundant UPS units.
AC cable sizes are determined for:
the TNS system for copper, single-core cables, type U1000 R02V, 100 m long with a line voltage drop <3%, installed on
perforated cable trays, XLPE-type insulation, single-layer trefoil formation, THDI between 15% and 33%, 35°C, at 400 V,
grouped in four touching cables.
Battery cable sized are determined for:
copper, single-core cables, type U1000 R02V, maximum length 25 m with a line voltage drop <1%.
Important: the output cables must be at least 6 metres long (L
≥
6m)
UPS cabinets
in kVA Minimum size in mm²
Normal AC line Battery
250 1x150 1x150
300 1x240 1x185
400 2x150 1x240
500 2x240 2x150
UPS
cabinet
s in kVA
Nbr
of
UPS
s
Total power
rating
1 in kVA
Current on AC
bypass or load in
A
Min. size for AC
bypass or load in
mm²
250 2 250 361 1x150
300 2 300 433 1x240
400 2 400
577 2x150
500 2 500
722 2x240
Power cables between the UPS units and the upstream protective devices must all be of the same size and length.
Power cables between the UPS units and the load must all be of the same size and length.
UPS
cabinets in
kVA
Nbr of
UPSs
Total power
rating
1
in kVA
Load current in
A
Minimum size for
load in mm²
250 2 250 361 1x150
300 2 300 433 1x240
400 2 400 577 2x150
500 2 500 722 2x240
Bypass AC
Normal AC
Bypass AC
Normal AC
Bypass AC
Normal AC
L
L
L
UPS 1
UPS 2
UPS 3
Load
Bypass AC
Normal AC
Bypass AC
Normal AC
L
L
UPS 1
UPS 2
Load
Normal AC
Normal AC
L
L
UPS 1
UPS 2
Load