Speed Control Performance Figures - ABB ACS580 Firmware Manual

112 Program features
See also section Speed compensated stop
Settings
• Menu - Primary settings - Motor - Control mode
• Parameters 99.04 Motor control mode
(page 340).


Speed control performance figures

The table below shows typical performance figures for speed control.
Speed control
Static accuracy
Dynamic accuracy
Tuned speed
controller
Performance
20% of motor nominal
slip
< 10% s with 100%
torque step (with default
speed controller tuning)
< 2% s with 100%
torque step
(page 121).
(page 338) and 99.13 ID run requested
T
(%)
T
N
100
n -n
act ref
n
N
T = rated motor torque
N
n = rated motor speed
N
n = actual speed
act
n = speed reference
ref
T
load
t (s)
Area < 10% s