Danfoss VLT AQUA Drive FC 200 Programming Manual page 46

Parameter Description
1-59 Flystart Test Pulses Frequency
Range: Function:
parameter is only active when 1-70 PM Start
Mode is set to [1] Parking and only after starting
the motor.
3.3.7 1-6* Load Depend. Setting
1-60 Low Speed Load Compensation
Range: Function:
100 % [0 - 300 Enter the % value to compensate voltage in
*
%] relation to load when the motor is running
at low speed and obtain the optimum U/f
characteristic. The motor size determines the
frequency range within which this parameter
is active.
Motor size [kW]
0.25-7.5
11-45
55-550
Table 3.9
NOTE
1-60 Low Speed Load Compensation will not have effect
when 1-10 Motor Construction = [1] PM, non salient SPM.
U
m
Par.1-60
100%
60%
0%
Changeover
Illustration 3.10
1-61 High Speed Load Compensation
Range: Function:
100 % [0 - 300 Enter the % value to compensate voltage in
*
%] relation to load when the motor is running
at high speed and obtain the optimum U/f
characteristic. The motor size determines the
frequency range within which this parameter
is active.
®
VLT AQUA Drive Programming Guide
1-61 High Speed Load Compensation
Range:
NOTE
1-61 High Speed Load Compensation will not have effect
when 1-10 Motor Construction = [1] PM, non salient SPM.
1-62 Slip Compensation
Range:
0 %
Change-over [Hz]
< 10
< 5
< 3-4
NOTE
1-62 Slip Compensation will not have effect when
1-10 Motor Construction = [1] PM, non salient SPM.
1-63 Slip Compensation Time Constant
Range:
Size related
Par.1-61
NOTE
1-63 Slip Compensation Time Constant will not have effect
when 1-10 Motor Construction = [1] PM, non salient SPM.
1-64 Resonance Dampening
Range:
f
out
100 %
NOTE
1-64 Resonance Dampening will not have effect when
1-10 Motor Construction = [1] PM, non salient SPM.
®
MG20O602 - VLT is a registered Danfoss trademark
Function:
Motor size [kW]
0.25-7.5
11-45
55-550
Table 3.10
Function:
[-500 - 500 Enter the % value for slip compensation, to
*
%] compensate for tolerances in the value of
n . Slip compensation is calculated
M,N
automatically, i.e. on the basis of the rated
motor speed n
M,N
Function:
[0.05 - 5.00 Enter the slip compensation reaction
*
s] speed. A high value results in slow
reaction, and a low value results in
quick reaction. If low-frequency
resonance problems arise, use a
longer time setting.
Function:
[0 - 500 Enter the resonance dampening value. Set
*
%] 1-64 Resonance Dampening and
1-65 Resonance Dampening Time Constant to
help eliminate high-frequency resonance
problems. To reduce resonance oscillation,
increase the value of 1-64 Resonance
Dampening.
Change-over [Hz]
> 10
< 5
< 3-4
.
45
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