
Parameters 283
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.
See also section
IR compensation for scalar motor
on page
.
Typical IR compensation values are shown below.
WARNING!
Set IR compensation value as low as
possible. Large IR compensation value can lead
to overheating of the motor and damage to
the drive, if operated for longer periods at low
speed.
3.20%
0.00…50.00%
Voltage boost at zero speed in percent of nominal
motor voltage.
1 = 1%
No.
Name/Value
Description
Default
FbEq 16
U
/
U
N
(%)
f
(Hz)
Field weakening point
Relative output voltage.
No IR compensation.
Relative output voltage. IR
compensation set to 15%.
15%
100%
50% of nominal
frequency
3-phase 180…480V drives
P
N
(kW) 0, 37 0, 75 1, 1 2, 2
4
7, 5
15
22
IR
compens
-ation
(%)
3, 5 3, 5 3, 2 2, 5
2
1, 5 1, 25 1, 2
3-phase 200...240V drives
P
N
(kW) 0, 37 0, 75 1, 1 2, 2
3
7, 5
11
IR
compens
-ation
(%)
3, 5 3, 5 2, 6 2, 4 2, 2 1, 7 1, 5
1-phase 200…240V drives
P
N
(kW) 0, 37 0, 75 1, 1 1, 5 2, 2
IR
compens
-ation
(%)
3, 0 2, 3 2, 0 1, 7 1, 5
Содержание ACS280
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