13.6.5.4 ASM
eld weakening controller
Since the controlled system gain changes with the speed, the eld weakening controller is cor-
rected via the speed.
The automac calculaon is made via the parameter 0x2822:017 = 1.
Calculaon of the gain
p
= = × ×
p Strecke_ Fs eck
2
V 0, V p n
60
Calculaon of the reset me
( )
+
= × × + = = »
Strecke_Fs
h ss
r
n EF Filter EF r
r r
V
L L
L
T 4 T T , T T
60 R R
Parameter Symbol Descripon Dimension unit
0x29E0:001 V
p
Gain of the eld weakening control-
ler
Vs / A
- V
P
ath_Fs
Gain of the control path
- P Number of pole pairs
rpm
- n
transion
Speed at which the eld weakening
is approximately iniated.
0x29E0:002 T
n
Reset me of the eld weakening
controller
s
- T
EF
Filter me constant of the eld
control loop
0x29E3 T
Filter
Filter me constant for the
required voltage
s
- T
r
Motor rotor me constant
- L
r
Motor rotor resistance (ASM)
0x2C02:002 L
h
Mutual motor inductance (ASM) H
0x2C01:003 L
ss
Motor stator leakage inductance
(ASM) or motor leakage inductance
(SM)
H
0x2C02:001 R
r
Motor rotor resistance Ω
Parameter
Address Name / seng range / [default seng] Info
0x29E0:001 Field weakening controller sengs: Gain (ASM)
0.000 ... [0.000] ... 2147483.647 V
s/V
Gain factor Vp of the eld weakening controller.
0x29E0:002 Field weakening controller sengs: Reset me (ASM)
1.0 ... [2000.0] ... 240000.0 ms
Reset me Tn of the eld weakening controller.
0x29E1 Field weakening controller Field limitaon
5.00 ... [100.00] ... 100.00 %
Field limitaon of the eld weakening controller.
13.6.5.5 ASM
eld weakening controller (extended)
For a quick commissioning, the calculaons and sengs are made automacally during the
opmisaon.
Parameter
Address Name / seng range / [default seng] Info
0x29E2 DC-bus lter me
1.0 ... [25.0] ... 1000.0
ms
Filter me for the current DC-bus voltage used for eld weakening.
0x29E3 Motor voltage lter me
1.0 ... [25.0] ... 1000.0 ms
Filter me for the current motor voltage used for eld weakening.
0x29E4 Voltage reserve range
1 ... [5] ... 20 %
Voltage reserve at the transion point to the eld weakening, with refer-
ence to the current value of the DC-bus voltage.
Only relevant for:
•
Servoregelung (SC-PSM) (0x2C00 = 1)
•
Servo control (SC ASM) (0x2C00 = 2)
Conguring the motor control
Opons for opmising the control loops
Mot
or control sengs
246