MGE UPS Systems Galaxy PW 30 kVA Installation Manual page 11

Key for figures 9 and 10:
1: normal AC source,
2: bypass AC source,
A: the rectifier/charger module,
B: the inverter module,
C: the static-bypass module,
D: the battery cubicle next to the
Galaxy PW UPS cubicle,
E: any additional battery cubicles,
F: the equipotential-bonding
connection between cubicles,
G: K3N contactor or output static-
switch module.
Galaxy PW parallel connection for greater capacity
Q1
1
2
Q4S
2
Galaxy PW
1
Q1
2
Galaxy PW
Fig. 10
Galaxy PW frequency converter without a battery
Q1
1
Galaxy PW
Fig. 11
Installation (cont.)
(qualified personnel only)
Q3BP
QF1 + – + –
D
F
F
A B G
Q4S
C
QF1 + – + –
D
F
F
A
B G
Q4S
C
Q5N
A B G
E
Q5N Q5N
E
Q5N
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E-51028231XU/BH