Fig. 3-140 6640 – Current/power/torque limits
- 6640 -
Function diagram
87654321
fp_6640_54_eng.vsd
DO: VECTOR
S120/S150/G130/G150
12.07.13 V04.08.00
Vector control - Current/power/torque limits
P_max gen
-100000.00...-0.01 kW
p1531 (-0.01)
r0063[0]
n_act unsmoothed
r0067
I_outp max
Id_setp total
Id_setp total
r1624
I_max reduction
p0115[2] (Motor Modules)
Current limit
p0640[D]
r1526
M_max up w/o offs
r1527
M_max low w/o offs
Speed limiting
controller
<1>
Iq
M
-1
Min
Min
Max
P_max mot
0.00...100000.00 kW
p1530[D] (0.00)
+
-
Sign
+ or -
+
+
+
[4715.6]
[6630.8]
[6721.8]
[6730.1]
<4> [6732.1]
[6710.1]
<1> Intervention by the Vdc controller.
<2> Intervention when the speed limit is exceeded + 2 % n
rated
.
<3> p1556 = 0 switches the evaluation of the connector input p1555 off.
<4> Only for SINAMICS S120/S150.
<5> Ony for PMSM.
[6060.1], [6040.4]
[8012.1]
+
+
<2>
P_max
(1)
p1555[C]
-1
P_max_scal
p1556[D] (0.00)
Max
Min
<1>
Max
[6710.1]
<3>
Isq_min limited
r1537[0]
Isq_max limited
r1536[0]
[6630.8]
Pre-control
p1401.7
r1548[0]
Upper limit
r1548[1]
Lower limit
22
yx
[8016.8]
I_max Motor Module
[6730.4]
[6731.4]
<4> [6732.4]
[6723.8]
<4> [6727.8]
[6722.1], [6724.1]
[6726.6], [6727.6]
x
y
Min
0
1
<5> [6721.3]
Pulse current lim
p1604[D]
[6723.4]
[6724.4]
<4> [6725.4]
U_output max
r0071
Min
Min
Curr lim scal src
(1)
p0641[C]
r1538
M_max upper eff
r1539
M_max lower eff
[6060.1], [6040.4]
[8012.1]
Tn from speed controller [6040.6]
Kp from speed controller [6040.5]
Speed limiting
[3050.8]
[3050.8] r1084
n_limit pos eff
r1087
n_limit neg eff
Current limiting
Iq_max total
r1533
Iq stall
calculation
Power limiting
n
Iq
Mot L_leak total
r0377[M]
Max
Isq_max unlimited
r1536[1]
Isq_max unlimited
r1537[1]
n_lim_crtl act
r1407.17
[2522.3]
[6060.3]
M_n_lim
PMSM: Permanent-magnet synchronous motor
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