Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual, 04/2018, A5E33838102
657
3 Function diagrams
3.10 Vector control / U/f control
Fig. 3-91 6722 – Field weakening characteristic, flux setpoint (ASM, p0300 = 1)
- 6722 -
Function diagram
87654321
fp_6722_97_01.vsd
Vector control / U/f control
G120 CU230P-2
13.03.2018 V4.7_10
Field weakening characteristic, flux setpoint (ASM, p0300 = 1)
1
0
<0.3 s
f
y
[6730.3]
[6723.1]
[6723.3]
[2526.2]
[2526.2]
Voltage max [Vrms]
r0071
ZSW cl-loop ctrl
r0056
r0056
.8
ZSW cl-loop ctrl
r0056
r0056
Field weakening
characteristic
Efficiency optimization
Magnetization control
MotMod status
r1751
r0063
Actual speed [rpm]
Quick magnetizing active
1 = flux setpoint differentiation active
1 = Flux build-up control active
Flux setpoint
smoothed
[0][6730.1]
.4
ASM: Asynchronmotor (induction motor)
r0080
Actual torque [Nm]
r0084
Actual flux [%]
1
0
Flux ctrl config
p1401 .14
1 = Efficiency optimization 2 active
Flux setpoint
selection
1 = Magnetization completed
1 = Field weakening active
Value range and/or factory setting depend on Power Module.<1>
<1>
Optimum flux [%]
r3313
Efficiency optimization
2
p1401.1
p1401.2
p1401.6
1 = Quick magnetizing active
0.9
[6640.3]
[6723.1]
Id_set
calculation
Flux setpoint
calculation
Id current limit
r0067
Current max [Arms]
+
+
–
Mot I_mag_rtd act [Arms]
r0331 [M]
[6060.6]
r1508
M_set bef. M_suppl [Nm]
I_set T_smooth
p1616 [D]
M_suppl_accel
p1611 [D]
M_set static
p1610 [D]
Efficiency opt.
p1580 [D]
Field weak T_smth
p1584 [D]
Field weak scal
p1586 [D]
Flex setp [%]
p1570 [D] (100.0)
Flux setp T_smth
p1582 [D]
Min flux lim val
p3315 [D]
Max flux lim val
p3316 [D]
Mot t_excitation
p0346 [M]
Mot T_rotor/T_Dd [ms]
r0384 [M]