20 - 80 kVA parallel UPS systems
User’s and Installation Manual
1018390
Revision C
23
Figure 15.
Wiring diagram of the external battery cabinets F.
6.6 SPM tie cabinet options
The system parallel module (SPM) has input connections up to four or two parallel UPS
modules and make-before-brake type of system bypass switch. The UPS manufacturer
provides five (5) different types of System Parallel Modules:
Table 3.
System Parallel Modules (SPM)
.
o
r
n
t
r
a
P
e
p
y
T
n
o
i
t
p
i
r
c
s
e
D
2
5
8
9
1
0
1
2
-
0
3
1
-
0
4
3
9
/
5
0
3
9
M
P
S
s
e
l
u
d
o
m
A
V
k
0
3
1
-
0
8
S
P
U
x
2
-
1
r
o
f
t
e
n
i
b
a
c
M
P
S
g
n
i
d
n
a
t
s
-
r
o
o
l
F
0
5
8
9
1
0
1
4
-
0
8
-
5
0
3
9
M
P
S
s
e
l
u
d
o
m
A
V
k
0
8
-
0
6
S
P
U
x
4
-
1
r
o
f
t
e
n
i
b
a
c
M
P
S
g
n
i
d
n
a
t
s
-
r
o
o
l
F
8
7
9
7
1
0
1
4
-
0
6
-
5
0
3
9
M
P
S
s
e
l
u
d
o
m
A
V
k
0
6
-
0
2
S
P
U
x
4
-
1
r
o
f
t
e
n
i
b
a
c
M
P
S
g
n
i
d
n
a
t
s
-
r
o
o
l
F
5
7
4
5
1
0
1
2
-
0
6
-
5
0
3
9
M
P
S
s
e
l
u
d
o
m
A
V
k
0
6
-
0
4
S
P
U
x
2
-
1
r
o
f
t
e
n
i
b
a
c
M
P
S
d
e
t
n
u
o
m
-
l
l
a
W
4
9
2
5
1
0
1
2
-
0
3
-
5
0
3
9
M
P
S
s
e
l
u
d
o
m
A
V
k
0
3
-
0
2
S
P
U
x
2
-
1
r
o
f
t
e
n
i
b
a
c
M
P
S
d
e
t
n
u
o
m
-
l
l
a
W