Danfoss VLT AQUA Drive FC 202, Programming Manual

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1-47 Torque Calibration
Option: Function:
•
Parameter 1-30 Stator Resistance (Rs) .
•
Parameter 1-33 Stator Leakage Reactance
(X1)
.
•
Parameter 1-34 Rotor Leakage Reactance
(X2)
.
•
Parameter 1-37 d-axis Inductance (Ld) .
[4] Every
start
with
store
The frequency converter calibrates the torque at
every start-up, compensating for a possible change
in motor temperature since last start-up. This option
is used to update motor parameters:
•
Parameter 1-30 Stator Resistance (Rs) .
•
Parameter 1-33 Stator Leakage Reactance
(X1)
.
•
Parameter 1-34 Rotor Leakage Reactance
(X2)
.
•
Parameter 1-37 d-axis Inductance (Ld) .
1-48 Inductance Sat. Point
Range: Function:
Size related
*
[1 - 500 %] Enter the induction saturation point.
1-49 q-axis Inductance Sat. Point
Range: Function:
Size
related
*
[ 0 -
200 %]
NOTICE
Run an AMA to set the value of this
parameter. Edit the value manually
only when the application requires a
value other than determined by AMA.
Enter the q-Axis inductance saturation point.
The frequency converter uses this value to
optimize the performance of IPM motors.
Select the value that matches the point
where the inductance equals the average
value of
parameter 1-38 q-axis Inductance
(Lq) and parameter 1-45 q-axis Inductance
Sat. (LqSat) , as percentage of nominal
current.
3.3.9 1-5* Load Indep. Setting
1-50 Motor Magnetisation at Zero Speed
Range: Function:
100
%
*
[0 -
300
%]
NOTICE
Parameter 1-50 Motor Magnetisation at Zero
Speed
has no effect when
parameter 1-10 Motor Construction = [1] PM,
non-salient SPM .
1-50 Motor Magnetisation at Zero Speed
Range: Function:
Use this parameter along with parameter 1-51 Min
Speed Normal Magnetising [RPM] to obtain a
different thermal load on the motor when running
at low speed.
Enter a value which is a percentage of the rated
magnetizing current. If the setting is too low, the
torque on the motor shaft may be reduced.
Magn. current
130BA045.11
Hz
Par.1-50
Par.1-51
100%
Par.1-52 RPM
Illustration 3.8 Magnetizing Current
1-51 Min Speed Normal Magnetising [RPM]
Range: Function:
Size
related
*
[10 -
300
RPM]
NOTICE
Parameter 1-51 Min Speed Normal
Magnetising [RPM]
has no effect when
parameter 1-10 Motor Construction =
[1] PM, non-salient SPM .
Set the required speed for normal
magnetizing current. If the speed is set
lower than the motor slip speed,
parameter 1-50 Motor Magnetisation at Zero
Speed
and parameter 1-51 Min Speed Normal
Magnetising [RPM] are of no significance.
Use this parameter along with
parameter 1-50 Motor Magnetisation at Zero
Speed
. See Table 3.7 .
1-52 Min Speed Normal Magnetising [Hz]
Range: Function:
Size
related
*
[ 0.3 -
10.0
Hz]
NOTICE
Parameter 1-52 Min Speed Normal
Magnetising [Hz]
has no effect when
parameter 1-10 Motor Construction =
[1] PM, non-salient SPM .
Set the required frequency for normal
magnetizing current. If the frequency is set
lower than the motor slip frequency,
parameter 1-50 Motor Magnetisation at Zero
Speed
and parameter 1-51 Min Speed Normal
Magnetising [RPM] are inactive.
Use this parameter along with
parameter 1-50 Motor Magnetisation at Zero
Speed
. See Table 3.7 .
Parameter Description Programming Guide
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