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KFU 2-/4-
104
9.2.5 Voltage
constant
In configuration 5xx for the control of synchronous machines, the control behavior can
be improved for high dynamic requirements by the settings of the parameter
Voltage
constant
383
.
For the voltage constant, refer to the motor data sheet. In the motor data sheet, the
value may be indicated in
rpm
1000
V
. This value can be taken over for parameter
Voltage constant
383
.
Parameter
Settings
No.
Description
Min.
Max.
Fact. sett.
383 Voltage constant
0.0 mVmin 850.0 mVmin
0.0 mVmin
9.2.6 Stator
inductance
In configuration 5xx for the control of synchronous machines, the control behavior can
be improved for high dynamic requirements by setting the parameter
Stator induc-
tance
384
.
The
stator inductance
384
is the value between two motor phases and can be taken
usually from the data sheet of the motor.
Parameter
Settings
No.
Description
Min.
Max.
Fact. sett.
384 Stator inductance
0.1 mH
500.0 mH
1.0 mH
9.2.7 Peak
current
The parameter
Peak Current
1192
is used during the guided commissioning to set
the limits for the Isq set value in the frequency inverter. This serves the protection of
the connected synchronous motor. The value can be taken from the motor name
plate or the motor data sheet. Exceeding the values given by the motor manufacturer
can lead to damages in the motor.
Parameter
Settings
No.
Description
Min.
Max.
Fact. sett.
1192 Peak current
0.01 % I
FU,N
100 000 %
ü
I
FU,N
100 % I
FU,N