34006452EN/AC - Page 6
Introduction
1.3 Different types of MGETM GalaxyTM 9000 systems
– Single-unit or modular UPS: (figure 1)
Fig. 1
– Multi-bypass modular UPSs: (figure 2)
Note:
2 modular UPSs (identical ratings) can be parallel-connected in this way.
Fig. 2
– Modular UPSs with external maintenance bypass: (figure 3)
Note:
Up to 4 UPS (identical ratings) can be parallel-connected.
Fig. 3
mains 1
rectifier-
charger
battery
inverter
load
static switch
mains 2
Q3BP
mains 1
rectifier-
charger
battery
inverter
load
static switch
mains 2
mains 1
rectifier-
charger
battery
inverter
static switch
mains 2
Q3BP
Q3BP
Q3BP
Q5N
mains 1
rectifier-
charger
battery
inverter
load
static switch
mains 2
mains 1
rectifier-
charger
battery
inverter
static switch
mains 2