PREMIUM DSP 40-80 KVA PF0.9 3/3 - UPS www.visionups.com
43
Note:
As seen in the figure, the outputs of parallel UPS units should be connected to each
other using an AC distribution board.
Figure 4.3
DSP0.9 Series Parallel UPS Power Connections
BATTERIES
U V W N
LOAD
FUSES
AC
OUTPUT
BYPASS AC INPUT
MAIN AC INPUT
AC DISTRIBUTION
BOARD
U1
V1
W1
N1
U2
V2
W2
N2
+
-
+
-
UPS1
K3
K2
K2
K
4
K
5
K
6
K
7
K
8
K
9
K
10
K
11
K12 K13 K14
K1
U V W N
AC OUTPUT1
+
-
+
-
BATTERIES
UPS2
K3
K2
K2
K
4
K
5
K
6
K
7
K
8
K
9
K
10
K
11
K12 K13 K14
K1
U V W N
AC OUTPUT2
FUSES
+
-
+
-
BATTERIES
UPS3
K3
K2
K2
K
4
K
5
K
6
K
7
K
8
K
9
K
10
K
11
K12 K13 K14
K1
U V W N
AC OUTPUT3
FUSES
LOAD BRAKE
SWITCH
