Danfoss VLT Midi Drive FC-280P4K0 [34/136] Notice
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Danfoss VLT Midi Drive FC-280P4K0 [34/136] Notice

Danfoss VLT Midi Drive FC-280P4K0 [34/136] Notice
1-14 Damping Gain
Range: Function:
120
%*
[ 0 -
250 %]
The damping gain stabilizes the PM machine.
The value of damping gain controls the dynamic
performance of the PM machine. High damping
gain gives high dynamic performance, and low
damping gain gives low dynamic performance.
The dynamic performance is related to the
machine data and load type. If the damping gain
is too high or low the control becomes unstable.
1-15 Low Speed Filter Time Const.
Range: Function:
Size related* [ 0.01 - 20
s]
This time constant is used below
10% rated speed. Obtain quick
control through a short damping
time constant. However, if this value
is too short, the control becomes
unstable.
1-16 High Speed Filter Time Const.
Range: Function:
Size related* [ 0.01 - 20
s]
This time constant is used above
10% rated speed. Obtain quick
control through a short damping
time constant. However, if this value
is too short, the control becomes
unstable.
1-17 Voltage lter time const.
Range: Function:
Size
related*
[ 0.001 - 1
s]
Reduces the inuence of high
frequency ripple and system
resonance in the calculation of supply
voltage. Without this lter, the ripples
in the currents can distort the
calculated voltage and aect the
stability of the system.
1-20 Motor Power
Option: Function:
[2] 0.12 kW - 0.16 hp
[3] 0.18 kW - 0.25 hp
[4] 0.25 kW - 0.33 hp
[5] 0.37 kW - 0.5 hp
[6] 0.55 kW - 0.75 hp
[7] 0.75 kW - 1 hp
[8] 1.1 kW - 1.5 hp
[9] 1.5 kW - 2 hp
[10] 2.2 kW - 3 hp
[11] 3 kW - 4 hp
[12] 3.7 kW - 5 hp
[13] 4 kW - 5.4 hp
[14] 5.5 kW - 7.5 hp
[15] 7.5 kW - 10 hp
1-20 Motor Power
Option: Function:
[16] 11 kW - 15 hp
[17] 15 kW - 20 hp
[18] 18.5 kW - 25 hp
[19] 22 kW - 30 hp
[20] 30 kW - 40 hp
1-22 Motor Voltage
Range: Function:
Size
related*
[50 - 1000
V]
Enter the nominal motor voltage
according to the motor nameplate
data. The default value corresponds to
the nominal rated output of the unit.
1-23 Motor Frequency
Range: Function:
NOTICE
This parameter cannot be adjusted
while the motor is running.
Size
related*
[ 20 -
500
Hz]
Select the motor frequency value from the
motor nameplate. For 87 Hz operation with
230/440 V motors, set the value according to
the nameplate data for 230 V/50 Hz. Adapt
parameter 4-14 Motor Speed High Limit [Hz] and
parameter 3-03 Maximum Reference to the 87
Hz application.
1-24 Motor Current
Range: Function:
Size
related*
[ 0.01 -
10000.00 A]
Enter the nominal motor current
value from the motor nameplate
data. This data is used for
calculating motor torque, motor
thermal protection, and so on.
1-25 Motor Nominal Speed
Range: Function:
Size related* [50 - 60000
RPM]
Enter the nominal motor speed
value from the motor nameplate
data. This data is used for
calculating automatic motor
compensations.
1-26 Motor Cont. Rated Torque
Range: Function:
Size
related*
[ 0.1 -
10000
Nm]
Enter the value from the motor nameplate
data. The default value corresponds to the
nominal rated output. This parameter is
available when parameter 1-10 Motor
Construction is set to [1] PM, non salient
SPM, non Sat, [2] PM, salient IPM, non Sat, or
[3] PM, salient IPM, Sat, that is, the
Parameter Descriptions
VLT
®
Midi Drive FC 280
32 Danfoss A/S © 03/2016 All rights reserved. MG07C202
44

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