Siemens sinamics dcp - Fig. 3-30 6808 - Dynamic overload

3 Function diagrams 3.9 Closed-loop control
SINAMICS DCP
350 List Manual (LH21), 05/2016
Fig. 3-30 6808 – Dynamic overload
fp_6808_89.vsd
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- 6808 -
SINAMICS DCP
25.04.2016 v 1.2
DO: DCP_CTRL
- Dynamic Overload
Function diagram
r55520
ActVal I_re SumAvg [%]
Dyn overload prof
p55080
A60039
Dyn overload T too high
r55083
Dyn overld I_lim [%]
&
+
+
r55071
I_set reactor [%]
1
0
Thermal model
of power unit
Priority:
1. RESET
2. SET
16,000 μs
[1020.7]
SET
(Q=1)
Q
RESET
(Q=0)
Q
B>A
A
B
±2°C
[6810.4]
[6850.2]
r55085.0
Thresh temp exc
+
r55085.1
CondA60039 fulfill
[6805.7]
0
1
+
+
Air intake temperature sensor
 > 45°
A60502
AirIntTmp too high
+
basic current
short-time current
porperties
of
power stack
maximum temperature
Dyn overld I_incr
p55081
p55101[0]
Reduce temp_thresh
r55082[8]
Barr lay_temp max
r55082[0]
Temp IGBT T1A
r55082[7]
Temp diode D2B
+
+
+
+
+
+
+
+
+
Maximum
r55084
Dyn overld P_loss [W]
r52050[5]
Air intake temp
r52051[0]
Temp PU1
r52051[1]
Temp PU2
r52051[2]
Temp PU3
Maximum
[8048.2]
[8048.2]
[8048.2]
load cycle
monitoring
r55091
Dyn overload t_sig [%]
DynOverld t_overld
p55090
r55520
ActVal I_re SumAvg [%]
[6850.2]
F60530
Dyn overload temp too high