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Group 26: MOTOR CONTROL
This group defines variables used for motor control.
Code Description
2601 FLUX OPT ENABLE
Changes the magnitude of the flux depending on the actual load. Flux
Optimization can reduce the total energy consumption and noise, and it
should be enabled for drives that usually operate below nominal load.
0 =
– Disables the feature.
OFF
1 =
– Enables the feature.
ON
2602 FLUX BRAKING
Provides faster deceleration by raising the level of magnetisation in the
motor when needed, instead of limiting the deceleration ramp. By
increasing the flux in the motor, the energy of the mechanical system is
changed to thermal energy in the motor.
• The flux braking works in vector control mode only, i.e. when
parameter 9904
0 =
– Disables the feature.
OFF
1 =
– Enables the feature.
ON
Braking
torque (%)
120%
80
40
120%
80
40
238
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MOTOR CTRL MODE
Without flux braking
1
3
2
0
5
10
With flux braking
1
2
3
4
5
0
5
10
ACH550-01 User's Manual
Range
0=OFF, 1=ON
0=OFF, 1=ON
= 1 (
:
VECTOR
SPEED
Rated motor power
1
2
3
4
5
4
5
20
30
40
20
30
40
Parameter listing and descriptions
).
2.2 kW
15 kW
37 kW
75 kW
250 kW
50
f (Hz)
50
f (Hz)
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