74 Program features
Speed control performance figures
The table below shows typical performance figures for speed control.
Torque control performance figures
The drive can perform precise torque control in vector control mode without any
speed feedback from the motor shaft. The table below shows typical performance
figures for vector control.
100
t
(s)
T
T
N
(%)
T
load
n
act
-n
ref
n
N
Area < 10% s
T
N
= rated motor torque
n
N
= rated motor speed
n
act
= actual speed
n
ref
= speed reference
Speed control
Performance
Static accuracy
20% of motor nominal
slip
Dynamic accuracy
< 10% s with 100%
torque step (with
default speed
controller tuning)
Dynamic accuracy
with tuned speed
controller
< 2% s with 100%
torque step
t
(s)
T
N
= rated motor torque
T
ref
= torque reference
T
act
= actual torque
Torque control
Performance
Non-linearity
± 5% with nominal
torque
(± 20% at the most
demanding operating
point)
Torque step rise time
< 10 ms with nominal
torque
100
< 5 ms
90
10
T
ref
T
act
T
T
N
(%)
Summary of Contents for ACQ580
Page 1: ...ABB drives for water Firmware manual ACQ580 pump control program ...
Page 4: ... 2017 ABB Oy All Rights Reserved 3AXD50000035867 Rev C EN EFFECTIVE 2017 06 21 ...
Page 30: ...26 Start up control with I O and ID run ...
Page 40: ...36 Default configuration ...
Page 304: ...300 Parameters ...
Page 340: ...336 Additional parameter data ...
