Connection
09.02
3-50
Siemens AG 6SE7087-6AK85-1AA0
Rectifier/Regenerating Unit Operating instructions
3.7.1
Single-line diagrams with suggested circuit arrangements for parallel connection
X1:
C/L
+
X1:
D/L
-
X27
X239
X9
-1
X1
9-1
X1
9
-2
X
9
-2
X9
-3
X9
-4
X9
-5
X9
-1
X1
9
-1
X
1
9
-2
X9
-2
X9
-3
X9
-4
X9
-5
1AC 2
30V
A23
C980
43-
A168
5
X28
X27
12
12
X1
9-1
ϑ
X1
9
-2
X1
9
-1
X1
9
-2
1AC 2
30V
A23
C980
43-
A169
5
X1:
U
1
V
1
W
1
L
1
L2
L3
X1:
C/L
+
X
4:
1U2
1V2
1W
2
1T
1
1T
2
1T
3
X1:
D/L
-
PE
X1
: U
1
V
1
W
1
L
1
L2
L3
X4:
1U
2
1V
2
1W2
1T
1
1T
2
1T
3
PE
ϑ
ϑ
ϑ
D
C
510V
- 620V
D
C
675V
- 780V
D
C
890V
- 930V
K1
-2
3AC 5
0-
60Hz
, 400V
3AC 5
0-
60Hz
, 500V
3AC 5
0-
60Hz
, 690V
1A
C 5
0-60H
z,
230V
12
12
6
6
K1
K3
6
6
K2
Powe
r se
ctio
n, pa
rallel u
nit
Load
Fi
lte
r
(opt
ional
)
to el
ec
tr
onic
s m
odul
e
A10-
X109
P
ar
allel un
it
B
asi
c u
nit
Conne
ct
ions
for
sec
ond paral
lel
uni
t
Fi
lte
r
(opt
ional)
F
a
n uni
t
Te
rm
is
to
r
Load
F
a
n uni
t
Po
wer sec
tion
, basic
unit
24V
pow
er
supply
uni
t
Te
rm
is
to
r
Volt
ag
e
m
eas
ur
em
en
t
Fu
se
moni
tor
ing
Fu
se
m
onit
or
ing
of
the
m
ai
n powe
r
sw
itc
h
Figure 3.37 Single-line diagram with suggested circuit for parallel connection without autotransformer, size K
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