Siemens G130 - Fig. 3-158 7020 - Synchronization

3 Function diagrams 3.17 Technology functions
SINAMICS G130/G150
1276 List Manual (LH2), 07/2016, A5E03263479A
Fig. 3-158 7020 – Synchronization
Phase measurement/
closed-loop control
- 7020 -
Function diagram
87654321
fp_7020_51_eng.vsd
DO: VECTOR, VECTOR3P, VECTORMV
SINAMICS
16.01.15 V04.08.00
Technology functions - Synchronization
Frequency measurement
1
0
Sync Ph_sync thrsh
1.00...20.00 [°]
p3813[D] (2.00)
Sync phase setp
-180.00...179.90 [°]
p3809[D] (0.00)
-p3811
KP TN
To setpoint channel
r3812
Sync f_corr
r3808
Sync phase diff
1
0
1
0
Sync U_diff thresh
0.00...20.00 [%]
p3815[D] (10.00)
&
Actual voltage
sensing
(closed-loop
control gating
unit)
Synchronizing
voltage
sensing
r3814
Sync U_diff
r3804
Sync f_target
Sync f_diff thresh
0.00...1.00 [Hz]
p3806[D] (0.10)
A07941
f_target > f_max
A07941
f_target < f_min
Start closed-loop phase control
f

|U|
Sync DO No
1...62
p3801[D] (1)
Sync-line-drive in synchronism
r3819.2
(measurement
via VSM10 with
PLL)
r3805
Sync f_diff
To motor control
+

[3080.5]
+


+
+
+
Sync f_lim
0.00...1.00 [Hz]
p3811[D] (0.20)
f
set

set
|U|
set
-1
0
1
0
1
r1084
n_limit pos eff
r1087
n_limit neg eff
To setpoint channel
[3030.8]
Sequence
control
Sync-line-drive enabled
r3819.0
Sync-line-drive frequency measurement active
r3819.5
Sync-line-drive closed-loop phase control active
r3819.6
Sync act
0...1
p3800[D] (0)
Sync-line-drive synchronizing error
r3819.3
(0)
Sync enable
p3802[C]