Program features 145
Settings
Parameter groups
Diagnostics
Speed control performance figures
The table below shows typical performance figures for speed control.
100
t
(s)
T
T
N
(%)
T
load
n
act
-n
ref
n
N
Area < 1% s
T
N
= rated motor torque
n
N
= rated motor speed
n
act
= actual speed
n
ref
= speed reference
Speed
control
No pulse
encoder
With pulse
encoder
Static
accuracy
20% of motor
nominal slip
2% of motor
nominal slip
Dynamic
accuracy
< 1% s with
100% torque
step
< 1% s with
100% torque
step
Summary of Contents for ACS355 series
Page 1: ...ABB machinery drives User s manual ACS355 drives ...
Page 4: ......
Page 16: ...16 ...
Page 32: ...32 Operation principle and hardware description ...
Page 58: ...58 Electrical installation ...
Page 74: ...74 Start up control with I O and ID run ...
Page 106: ...106 Control panels ...
Page 120: ...120 Application macros ...
Page 178: ...178 Program features ...
Page 338: ...338 Fieldbus control with embedded fieldbus ...
Page 368: ...368 Fault tracing ...
Page 404: ...404 Dimension drawings ...
Page 410: ...410 Appendix Resistor braking ...
Page 434: ...434 Appendix Permanent magnet synchronous motors PMSMs ...