User Motor Parameters - ABB ACS380 Firmware Manual

ACS380 FW.book Page 345 Friday, May 4, 2018 4:18 PM
No. Name/Value
97.94 IR comp max
frequency
1.0...200.0 %
98

98 User motor parameters

98.01 User motor model
mode
Not selected
Motor parameters
98.02 Rs user
0.00000...0.50000
p.u.
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Description
Sets the frequency at which IR compensation (set by
parameter 97.13 IR compensation) reaches 0 V. The unit
is % of motor nominal frequency.
IR compensation
When enabled, IR compensation provides an extra
voltage boost to the motor at low speeds. Use IR
compensation, for example, in applications that require a
high breakaway torque.
Motor voltage
A
A = IR compensated
B = No compensation
97.13
B
97.94
IR compensation maximum frequency in %.
Motor values supplied by the user that are used in the
motor model.
These parameters are useful for non-standard motors, or
to just get more accurate motor control of the motor on
site. A better motor model always improves the shaft
performance.
Activates the motor model parameters
98.14.
Notes:
• Parameter value is automatically set to zero when ID
run is selected by parameter 99.13 ID run
The values of parameters 98.02...98.12
updated according to the motor characteristics
identified during the ID run.
• Measurements made directly from the motor terminals
during the ID run are likely to produce slightly different
values than those on a data sheet from a motor
manufacturer.
• This parameter cannot be changed while the drive is
running.
Parameters 98.02...98.12 inactive.
The values of parameters 98.02...98.12are used as the
motor model.
Defines the stator resistance R of the motor model.
S
With a star-connected motor, R is the resistance of one
S
winding. With a delta-connected motor, R
the resistance of one winding.
Stator resistance in per unit.
Parameters 345
Default
FbEq 16
80.0
f (Hz)
1 = 1%
98.02...98.12 and Not selected
requested.
are then
0
1
0.00000 p.u.
is one-third of
S
-