Siemens Sinamics G120 Series - Fig. 2-48 7900 - Current Controller & Observer Model without Encoder (SLVC)

Function diagrams
Vector Control
2-374
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Fig. 2-48 7900 – Current Controller & Observer Model without Encoder (SLVC)
- 7900 -
Function diagram
87654321
7900_MM.vsd
Vector Control
SINAMICS G120
02.04.2007 V3.0
:
*)
Kp Tn Kp Tn
Id
i
R
i
S
*)
*)
Kp Tn
*)
*)
r1725 *)
P1786 *) P1781 *)
P1780 P1750
r0396 r0395
r0084 *)
r1787 r1782 r1751
*)
Vq Vd
K
P
r0071
V
set
:
P1800 P1802 P1820
P1826 *) P1825 *)
*)
*) *)
*) *)
*)
*)
P1759 *) P1758 *) P1756 *) P1755 *)
isq(V
DC
)
FP4600
+
2
*) Access level 4
Voltage precontrol
Flux setpoint
Current measurement
Speed or torque control Forward speed
r0069 [6]
Act. phase cur [A]
r0069 [6]
Act. phase cur [A]
Isq setp. Tsmooth
2.0 ... 20.0 [ms]
P1654.DDS (6.0)
r0077
Cur. setp. Isq [A]
r0075
Cur. setp. Isd [A]
Rotor flux
r0395
Total stat.res [%]
Tot.leak.react.[%] [%]
r0377.DDS
id controller
r0076
Act. cur. Isd [A]
r0078
Act. cur. Isq [A]
Gain current ctrl.
0.00 ... 5.00
P1715.DDS (0.25)
Int.time cur. ctrl
1.0 ... 50.0 [ms]
P1717.DDS (4.1)
iq controller
r0068
Output current [A]
Trans- forma-
tion
r1718
Outp. Isq ctrl [V]
r1719
Int. outp. Isq [V]
r1723
Outp. Isd ctrl [V]
r1724
Int. outp. Isd [V]
r1728
Decoupl. volt [V]
Model control
Observer
model
r1770
Prop outp n-ad [Hz]
r1771
Int. outp n-ad [Hz]
Kp n-adapt. (SLVC)
0.0 ... 2.5
P1764.DDS (0.2)
Tn n-adapt. (SLVC)
1.0 ... 200.0 [ms]
P1767.DDS (4.0)
Modulator
Field weakening control
r0074
Act modulation [%]
r0070
Act. Vdc [V]
r1801 [2]
Pulse frequency [KHz]
CO/BO:Stat MotCtrl
r0056 r0056
CO/BO:Stat MotCtrl
r0056 r0056
Slip
determi-
nation
r0065
Slip frequency [%]
r0066
Act. outp freq [Hz]
Oscillation
damping
Oscill. damp. gain
0.000 ... 10.000
P1740 (0.000)
Current Controller & Observer Model without Encoder (SLVC)
FP7500
Torque limitation
FP7700
Rotor flux
r0079
Total trq setp [Nm]
FP7800
FP7500
r0063
Act. frequency [Hz]
r0094
Transf. angle [°]
Speed to speed controller
r0072
Act. outp.volt [V]
FP7800
r0062
Freq. setpoint [Hz]