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15
Manual SD6
15.1.1.4.2
B59 = 1: active
Changing the clock frequency affects the amount of noise produced by the
drive. However, increasing the clock frequency results in increased losses.
Because of this, the admissible nominal motor current (
B12
) must be reduced
at increased clock frequency. In some operating states the clock frequency is
changed by the drive controller itself. The currently active clock frequency is
displayed in
E151
.
The characteristic saturation curve of the motor is described by these two
coefficients. The coefficients are determined by actions
B41 autotuning
,
B42
optimize current controller
and
B49 optimize current controller
standstill
.
Action time of the current controller for the torque/ force-generating part in ms.
A setting below 0.3 ms will result in an integral gain of 0 (equivalent to an infinite
action time).
Proportional gain of the torque/ force controller.
B24
switching frequency
version 0
E165
E92
PID controller
B64 B65 B68
E98
PWM
B24
M
E166
E93
PID controller
B66 B67 B68
E99
E00
Track
gains
B60
Information
The factory setting of this parameter depends on
B20
. When
64:SSM - vector control
is selected, a value of
8:8kHz
is entered
in
B24
. If an asynchronous machine is used (
ASM - V/f-control
,
ASM - V/f-slip compensated
,
ASM - sensorless vector control
or
ASM - vector control
), a value of
4:4kHz
is assigned to
B24
.
Information
Note that if
B20
=
64:SSM - vector control
then you should set
B24
=
8:8kHz
for better controller performance.
B60
saturation coefficient current controller
version 0
B64
integral time torque/force controller
version 0
B65
proportional gain torque/force controller
version 0