Siemens sinamics dcp - Fig. 3-35 6820 - Main current controller

SINAMICS DCP List Manual (LH21), 05/2016
355
3 Function diagrams
3.9 Closed-loop control
Fig. 3-35 6820 – Main current controller
fp_6820_89.vsd
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- 6820 -
SINAMICS DCP
27.04.2016 v 1.2
DO: DCP_CTRL
- Main current controller
Function diagram
+
+
Precontrol
Pulse frequency
r55172
Mn ctr I_react_set [%]
+
-
Mn ctr prctr fact
p55230 (98.0)
Kp Tn
y
x
Main ctrl limit
p55228
Adaptation
Main ctrl Tn
p55221[0]
p55226 (10.0 %)
Main ctr U low lim
+
+
Main ctrl Kp
p55220[0] (0.2000 )
r55511
ActVal I_react PU1 [%]
+
r55202
Main ctrl I comp [%]
[6850.2]
[6850.2]
[6850.2]
[6818.8]
[2585.8] r00899.11
Pulses enab
y
x
r55501
Act val U S1 [%]
r55502
Act val U S2 [%]
p55226 (10.0 %)
Main ctr U low lim
PWM limit reached [6825.8]
+
Control factor
[6825.1]
r55125.15
I_ctrl lim reach
+
[9350.6]
current setpoint from master
1
0
p51800
PU topo pos
Discontinuous lim
r55235
+
-
+
r55520
ActVal I_re SumAvg [%]
[6850.2]
no. Of power sections
d
dt
d
dt
y
x
Mn ctr prctr Tv
p55222[0]
Mn ctr prctr Tv
p55222[1]
current setpoint
+
Siemens Parts