Danfoss VLT AQUA Drive FC 202 Programming Manual page 45

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Parameter Description
section: Application Examples > Automatic Motor Adaptation
®
in the VLT
AQUA Drive FC 202 Design Guide. The AMA
sequence adjusts all motor parameters except the moment
of inertia of the rotor and the iron loss resistance
(parameter 1-36 Iron Loss Resistance (Rfe)).
P 1-30
I
R
1
X
S
1
U
1
R
1s
Illustration 3.4 Motor Equivalent Diagram for an
Asynchronous Motor
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
[ 0.0140 -
related
140.0000 Ohm]
*
1-31 Rotor Resistance (Rr)
Range:
Function:
Size
[ 0.0100 -
Set the rotor resistance value R
related
100.0000
improve shaft performance.
*
Ohm]
MG20O702
Programming Guide
X
2
X
R
h
1
P1-35
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.
to
r
Danfoss A/S © Rev. 2014-01-21 All rights reserved.
1-31 Rotor Resistance (Rr)
Range:
Function:
1.
2.
3.
NOTICE
Parameter 1-31 Rotor Resistance (Rr) does not have effect
when parameter 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.
NOTICE
The parameter value is updated
after each torque calibration if
option [3] 1st start with store or
option [4] Every start with store is
selected in parameter 1-47 Torque
Calibration.
NOTICE
This parameter is only relevant for
ASM.
Run an AMA on a cold motor.
The frequency converter
measures 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 based on the motor
nameplate data.
Run an AMA on a cold motor.
The frequency converter
measures 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 based on the motor
nameplate data.
43
3
3

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