Danfoss VLT Midi Drive FC 280 Programming Guide

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*
[ 0.01 - 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
[21] 37 kW - 50 hp
[22] 45 kW - 60 hp
[23] 55 kW - 75 hp
[24] 75 kW - 100 hp
[25] 90 kW - 120 hp
[26] 110 kW - 150 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 changed
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.
Parameter Descriptions
VLT
®
Midi Drive FC 280
32 Danfoss A/S © 12/2015 All rights reserved. MG07C102
44

Danfoss VLT Midi Drive FC 280 Specifications

General

Brand	Danfoss
Model	VLT Midi Drive FC 280
Category	DC Drives
Language	English