Motor Control - ABB ACS800 Firmware Manual

Index Name/Selection

26 MOTOR CONTROL

26.01 FLUX OPTIMIZATION Activates/deactivates the Flux optimisation function. See section
NO
YES
26.02 FLUX BRAKING
NO
YES
26.03 IR-COMPENSATION
0 ... 30%
Description
optimisation on page 68.
Note: The function cannot be used if parameter
Note: The function should generally not be activated for crane application.
Inactive
Active
Activates/deactivates the Flux braking function.
Note: The function cannot be used if parameter
See section Flux braking on page 67.
Inactive
Active
Defines the relative output voltage boost at zero speed (IR compensation). The
function is useful in applications with high break-away torque, but no DTC
motor control cannot be applied. The figure below illustrates the IR
compensation.
Note: The function can be used only if parameter
U /U
N
(%)
Relative output voltage. IR
compensation set to 15%.
100%
15%
Field weakening point
Voltage boost at zero speed in percent of the motor nominal voltage
Flux
99.04 = SCALAR.
99.04 = SCALAR.
99.04 is SCALAR.
Relative output voltage. No IR
compensation.
f (Hz)
Actual signals and parameters
185
FbEq
0
65535
0
65535
0 ... 3000