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Parameters 491
Enables signal injection.: A high-frequency alternating signal
is injected to the motor in the low speed region to improve the
stability of torque control. Signal injection can be enabled with
different amplitude levels.
Notes:
• This is an expert level parameter and should not be
adjusted without appropriate skill.
• Use as low a level as possible that gives satisfactory
performance.
• Signal injection cannot be applied to asynchronous
motors.
Disabled
Signal injection disabled.
0
Enabled (5 %)
Signal injection enabled with an amplitude level of 5%.
1
Enabled (10 %)
Signal injection enabled with an amplitude level of 10%.
2
Enabled (15 %)
Signal injection enabled with an amplitude level of 15%.
3
Enabled (20 %)
Signal injection enabled with an amplitude level of 20%.
4
Rotor time constant tuning.
This parameter can be used to improve torque accuracy in
closed-loop control of an induction motor. Normally, the motor
identification run provides sufficient torque accuracy, but
manual fine-tuning can be applied in exceptionally
demanding applications to achieve optimal performance.
Note:
This is an expert level parameter and should not be
adjusted without appropriate skill.
100%
25…400%
Rotor time constant tuning.
1 = 1%
IR compensation (ie. output voltage boost) can be used in
step-up applications to compensate for resistive losses in the
step-up transformer, cabling and motor. As voltage cannot be
fed through a step-up transformer at 0 Hz, a specific type of
IR compensation should be used.
This parameter adds a frequency breakpoint for parameter
as shown below.
0.0 Hz = Breakpoint disabled.
0.0 Hz
0.0 … 50.0 Hz
IR compensation breakpoint for step-up applications.
1 = 1 Hz
No.
Name/Value
Description
Def
/
FbEq16
U
/
U
N
(%)
f
(Hz)
Field weakening
point
Relative output voltage with IR
compensation
100%
Содержание ACS880-01 Series
Страница 1: ...ABB industrial drives Firmware manual ACS880 ESP control program option N5600 ...
Страница 4: ......
Страница 12: ...12 Table of contents ...
Страница 20: ...20 Introduction to the manual ...
Страница 22: ...22 Using the control panel ...
Страница 28: ...28 Control locations and operating modes ...
Страница 145: ...Application macros 145 Fieldbus control macro This application macro is not supported by the current firmware version ...
Страница 146: ...146 Application macros ...
Страница 502: ...502 Parameters ...
Страница 606: ...606 Fault tracing ...
Страница 662: ...662 Control chain diagrams ...
Страница 664: ...Contact us www abb com drives www abb com drivespartners 3AXD50000041193 Rev A EN EFFECTIVE 2017 06 30 ...