Danfoss VLT AQUA Drive FC 200 Programming Manual page 42

Parameter Description
Par. 1-37
Par. 1-30
I
d L
R
d
s
U
d
d-axis equivalent circuit
Par. 1-37
Par. 1-30
I
d L =L
R
q d
s
U
q
q-axis equivalent circuit
Illustration 3.5 Motor Equivalent Circuit Diagram for a PM Non
Salient Motor
1-30 Stator Resistance (Rs)
Range:
Size related [ 0.0140 -
*
140.0000 Ohm]
NOTE
This parameter cannot be adjusted while the motor is
running.
1-31 Rotor Resistance (Rr)
Range: Function:
Size [ 0.0100 - Fine-tuning R
related 100.0000
performance. Set the rotor resistance
*
Ohm] value using one of these methods:
1.
2.
3.
®
VLT AQUA Drive Programming Guide
ω L I
s q q
+
-
ω L I
s d d
+
-
+
Par. 1-40
ω λ
s PM
-
Function:
Set the stator resistance value.
Enter the value from a motor
data sheet or perform an AMA
on a cold motor.
will improve shaft
r
Run an AMA on a cold motor.
The frequency converter will
measure the value from the
motor. All compensations are
reset to 100%.
Enter the R value manually.
r
Obtain the value from the
motor supplier.
Use the R default setting. The
r
frequency converter establishes
the setting on the basis of the
motor nameplate data.
®
MG20O602 - VLT is a registered Danfoss trademark
NOTE
1-31 Rotor Resistance (Rr) will not have effect when
1-10 Motor Construction = [1] PM, non salient SPM.
1-33 Stator Leakage Reactance (X1)
Range: Function:
Size [ 0.0400 - Set the stator leakage reactance of the
related 400.0000 motor using one of these methods:
*
Ohm]
1.
2.
3.
See Illustration 3.4.
NOTE
1-33 Stator Leakage Reactance (X1) will not have effect
when 1-10 Motor Construction = [1] PM, non salient SPM.
1-34 Rotor Leakage Reactance (X2)
Range: Function:
Size [ 0.0400 - Set the rotor leakage reactance of the
related 400.0000 motor using one of these methods:
*
Ohm]
1.
2.
3.
See Illustration 3.4.
NOTE
1-34 Rotor Leakage Reactance (X2) will not have effect when
1-10 Motor Construction = [1] PM, non salient SPM.
Run an AMA on a cold motor.
The frequency converter will
measure the value from the
motor.
Enter the X value manually.
1
Obtain the value from the
motor supplier.
Use the X default setting. The
1
frequency converter establishes
the setting on the basis of the
motor name plate data.
Run an AMA on a cold motor.
The frequency converter will
measure the value from the
motor.
Enter the X value manually.
2
Obtain the value from the
motor supplier.
Use the X default setting. The
2
frequency converter establishes
the setting on the basis of the
motor name plate data.
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3 3