2-46 Parameter Descriptions
7000-TD002A-EN-P – September 2007
Autotune Magnetizing Inductance [Autotune L Magn]
Linear Number: 221
Default Value: 0.00 pu
Minimum Value: 0.00 pu
Maximum Value: 15.00 pu
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the value of motor magnetizing inductance determined during flux regulator
auto-tuning. If the magnetizing inductance measurement is successful, then parameter Lm Rated (131)
in the Motor Model group is set equal to the value of this parameter.
Autotune Rotor Time Constant [Autotune T Rotor]
Linear Number: 222
Default Value: 0.00 sec
Minimum Value: 0.00 sec
Maximum Value: 10.00 sec
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the value of rotor time constant determined during flux regulator auto-tuning. If
the rotor time constant measurement is successful, then parameter T Rotor (132) in the Motor Model
group is set equal to the value of this parameter.
Autotune Inertia [Autotune Inertia]
Linear Number: 223
Default Value: 0.00 sec
Minimum Value: 0.00 sec
Maximum Value: 100.00 sec
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the value of total system mechanical inertia measured during auto-tuning. If the
inertia measurement is successful, then parameter Total Inertia (82) in the Speed Control group is set
equal to the value of this parameter.
Autotune D-axis Magnetizing Inductance [Autotune Lmd]
Linear Number: 224
Default Value: 0.00 pu
Minimum Value: 0.00 pu
Maximum Value: 10.00 pu
Access Level: Advanced
Read/Write: Read/Write
This parameter specifies the value of d-axis magnetizing inductance for synchronous machines
determined during flux regulator auto-tuning. If the magnetizing inductance measurement is successful,
then parameter Lmd (418) in the Motor Model group is set equal to the value of this parameter. This
parameter is not used for induction motors.
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