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Program features 85
Tuning procedure for oscillation damping
Note:
Changing the speed error low-pass filter time constant or the integration time of
the speed controller can affect the tuning of the oscillation damping algorithm. It is
recommended to tune the speed controller before the oscillation damping algorithm.
(The speed controller gain can be adjusted after the tuning of this algorithm.)
Settings
Parameters
…
(page
Resonance frequency elimination
The control program contains a notch filter function for removing the resonance
frequencies from the speed error signal.
Settings
Parameters
…
(page
Rush control
In torque control, the motor could potentially rush if the load were suddenly lost. The
control program has a rush control function that decreases the torque reference
whenever the motor speed exceeds
or
Oscillation compensation input
• Set
to 0
• Calculate the oscillation frequency from the signal (use the Drive
• Set
• Increase
gradually so that the
algorithm starts to take effect.
oscillation amplitude decreases
oscillation amplitude increases
• Increase
and adjust
if necessary
• Try other values for
• Increase
suppress the oscillation totally.
*If the phasing of a DC oscillation cannot be
determined by measuring, the value of 0
degrees is usually a suitable initial value.
Summary of Contents for ACS880-01 Series
Page 1: ...ABB industrial drives Firmware manual ACS880 ESP control program option N5600 ...
Page 4: ......
Page 12: ...12 Table of contents ...
Page 20: ...20 Introduction to the manual ...
Page 22: ...22 Using the control panel ...
Page 28: ...28 Control locations and operating modes ...
Page 146: ...146 Application macros ...
Page 502: ...502 Parameters ...
Page 606: ...606 Fault tracing ...
Page 662: ...662 Control chain diagrams ...