Filter On Torque Dmd - Parker AC30 Serie Manual Del Producto

D-72
Parameter Reference

Filter On Torque Dmd

Parameters::Motor Control::Filter On Torque Dmd
This feature allows to select the type of filter applied to the Torque setpoint:
- Either the output of the speed loop PI corrector if the speed loop is active
- Or the torque Setpoint .
Torque Setpoint
Speed Demand
PI Controller
Speed Feedback
The general structure of the filter is given below :
X(n)
-b1
-b2
+ − + −
1 2
a a . z a . z
=
0 1 2
H ( z )
or
+ − + −
1 2
1 b . z b . z
1 2
Speed or
Torque Control
Filter On
Torque
Dmd
Y(n)
a0
-1
Z
a1
-1
Z
a2
���� =
����
⋅ + ⋅ + ⋅
a x a x a x
− −
0 n 1 n 1 2 n 2
Torque Limits
Torque Demand
− ⋅ − ⋅
b y b y
− −
1 n 1 1 n 2
AC30 series Variable Speed Drive