Siemens SINAMICS S120 Manual De Listas página 2464

Transformer is synchronized on mains voltage (Sync ok)
[7993.8]
VSM inp u1-u2
r3661
PSA x9
Vdc
ALM
L
k
INF U a/b INF U a/b
r3468[2, 3] r3468[0, 1]
External precharging
bypass contactor
r5493.0
e.g [2130] ... [2133]
[9560], [9562]
R
Test mode/Trafo magnetizing
1 2
DO: A_INF, R_INF
Line transformer (r0108.4 = 1) - Transformer model (p5480 = 1)
Line LSS enab
p5483
VSM inp u2-u3
r3662
Transf L_leak
VSM1
p5490 (0.100)
INF I_act filter
r3470
INF I_reactiveFilt
r3471
Transf U_second
r5498[0, 1, 2]
C
F
X9.5
Line
3 4
Energize line contactor
&
r0863.1
e.g. [2130] ... [2133]
[8864.6]
[9560], [9562]
Line contact feedb
p0860
ϕ
= p6420[0]
Trasf
p5486[0] p6421[0]
ü =
p0210 100 %
Transf U_sec trans
r5488[0, 1, 2]
Transf L_leak
p5492 (250.00)
L
h
Island grid circuit breaker
r5493.1
e.g. [2130] ... [2133]
[9560], [9562]
Circuit breaker feedback signal
p5583[1]
ϕ
= p6420[1]
Transf
p5486[1] p6421[1]
ü =
p0210 100 %
Transf U_sec trans
r5488[3, 4, 5]
Optional conversion of the
voltage signals from an
additional power transformer
to the connecting point
of the power unit
5
fp_7990_01_eng.vsd
09.11.18 V05.02.03
VSM2 inp u1-u2 VSM2 inp u2-u3
r5461[0] r5462[0]
1
+24 V
VSM2
Transf U_prim
Phase voltage u12
Phase voltage u23
p5487[0]
r5461[0]
p5487[1]
r5462[0]
VSM3 inp u1-u2 VSM3 inp u2-u3
r5461[1] r5462[1]
VSM3
1
+24 V
Transf U_prim
Phase voltage u12
Phase voltage u23
p5487[2]
r5461[1]
p5487[3]
r5462[1]
6 7
Function diagram
SINAMICS S120
p0115[0]
Line
(e.g.
Island grid)
Transf U_rated pri
p5486[0] (400.00)
INF U a/b
r3468[4, 5]
Line
Line
(e.g.
external
Line)
Transf U_rated pri
p5486[1] (400.00)
Line
8
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