Danfoss VLT FC 100 Series Programming Manual page 46

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
Figure 3.5 Motor Equivalent Circuit Diagram for a PM Non-salient
Motor
1-30 Stator Resistance (Rs)
Range: Function:
Size [ 0.0140 - Set the stator resistance value.
related 140.0000 Ohm] Enter the value from a motor data
*
sheet or perform an AMA on a
cold motor. 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 HVAC Drive Programming Guide
ω L I
s q q
+
-
ω L I
s d d
+
-
+
Par. 1-40
ω λ
s PM
-
will improve shaft
r
Run an AMA on a cold motor.
The Adjustable frequency drive
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
Adjustable frequency drive
establishes the setting on the
basis of the motor nameplate
data.
MG11CD22 - 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.
1-35 Main Reactance (Xh)
Range: Function:
Size [ 1.0000 - Set the main reactance of the motor
related 10000.0000 using one of these methods:
*
Ohm]
1.
2.
3.
NOTE!
1-35 Main Reactance (Xh) will not have effect when
1-10 Motor Construction = [1] PM, non-salient SPM.
NOTE!
This parameter cannot be adjusted while running.
1-36 Iron Loss Resistance (Rfe)
Range:
Size related [ 0 - 10000.000 Ohm]
*
NOTE!
This parameter cannot be adjusted while the motor is
running.
NOTE!
This parameter is not available from the LCP.
1-37 d-axis Inductance (Ld)
Range:
Size related [ 0.000 - 0.000
*
mH]
Run an AMA on a cold motor.
The Adjustable frequency
drive will measure the value
from the motor.
Enter the X value manually.
h
Obtain the value from the
motor supplier.
Use the X default setting.
h
The Adjustable frequency
drive establishes the setting
on the basis of the motor
nameplate data.
Function:
Function:
Enter the value of the d-axis
inductance. Obtain the value from
the permanent magnet motor
data sheet.
3-19
3 3