UPS/NTA GB/DELMP_EXPC1C3C6_B 17
3.1 BASIC SCHEMES
Modular systems can include up to six UPS units.
3.1.1 Modular systems with two redundant UPS units
Q1
Q4
Q3
Q5
Q20
X20
MBP
INV
Q1
Q4
Q3
Q5
Q20
X20
MBP
INV
*
X10: rectifier input
X40: bypass input
X50: to the load
X20: battery connection
REC: rectifier
INV: inverter
BAT: battery
BP: bypass facility
ABP: automatic bypass
MBP: maintenance bypass
* other protection upon request.
NOTE: in such a configuration each UPS unit
has its own maintenance bypass.
NOTE: in any case, see the technical details of the drawing.
3.1.2 Modular systems with two non redundant UPS units
X20
X20
MBP Q5
X10: rectifier input
X40: bypass input
X50: to the load
X20: battery connection
REC: rectifier
INV: inverter
BAT: battery
BP: bypass facility
ABP: automatic bypass
MBP: maintenance bypass
* other protection upon request
.
NOTE: in such a configuration, the system is
fitted with an EXTERNAL maintenance
bypass.
NOTE: in any case, see the technical details of the diagram.
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