Motor Control - ABB ACQ80-04 Firmware Manual

No. Name/Value
97

97 Motor control

97.01 Switching
frequency reference
2 kHz
4 kHz
8 kHz
16 kHz
97.02 Minimum switching
frequency
1.5 kHz
2 kHz
4 kHz
8 kHz
12 kHz
97.13 IR compensation
0.00...50.00%
97.20 U/F ratio
Linear
Description
Switching frequency; slip gain; voltage reserve; flux braking;
anti-cogging (signal injection); IR compensation.
Defines the switching frequency of the drive that is used as
long as the drive does not heat too much. See section
Switching frequency on page 43.
Higher switching frequency results in lower acoustic noise-
Note: If you have a multimotor system, contact your local
ABB representative.
2 kHz
4 kHz
8 kHz
16 kHz
Lowest switching frequency that is allowed. Depends on the
frame size.
1.5 kHz. Not for all frame sizes.
2 kHz.
4 kHz.
8 kHz.
12 kHz.
Defines the relative output voltage boost at zero speed (IR
compensation). The function is useful in applications with a
high break-away torque where vector control cannot be
applied.
U / U
N
(%)
Relative output voltage. IR
compensation set to 15%.
100%
15%
Field weakening point
50% of nominal
frequency
See also section IR compensation for scalar motor control
page 42.
Voltage boost at zero speed in percent of nominal motor
voltage.
Selects the form for the U/f (voltage to frequency) ratio below
field weakening point. For scalar control only.
Linear ratio for constant torque applications.
Parameters 171
Relative output voltage. No
IR compensation.
f (Hz)
Def/FbEq16
4 kHz
2
4
8
16
1.5 kHz
1
2
4
8
12
3.50%
on
1 = 1%
Linear
0