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Program features 75
The figure below shows speed responses at a speed reference step (typically
1…20%).
The figure below is a simplified block diagram of the speed controller. The controller
output is the reference for the torque controller.
Settings
(page
).
A: Undercompensated
B: Normally tuned (autotuning)
C: Normally tuned (manually). Better dynamic performance than with B
D: Overcompensated speed controller
%
t
n
C
B
D
n
N
A
Derivative
Proportional,
integral
Derivative
acceleration
compensation
Torque
reference
Speed
reference
Actual speed
Error
value
-
+
+
+
+
Содержание ACS850-04 series
Страница 1: ...ACS850 Firmware Manual ACS850 Standard Control Program...
Страница 4: ......
Страница 10: ...10 Table of contents...
Страница 52: ...52 The ACS850 control panel...
Страница 56: ...56 Control locations and operating modes...
Страница 80: ...80 Program features...
Страница 236: ...236 Parameters...
Страница 286: ...286 Fieldbus control...
Страница 294: ...294 Control block diagrams...