the LM11 value is set to a value corresponding to current greater than the drive
peak current rating.
LM20 Motor Ls
The equivalent induction motor sigma inductance. This value is calculated from the per
phase stator and rotor leakage inductances.
This is the total phase-to-phase reflected leakage inductance of the motor stator winding.
Therefore, it may be necessary to multiply the value by two and then enter it into the
drive. Incorrect settings of this parameter could lead to oscillation in the current control
since the regulator values for the current control are calculated from this value.
This value can be learned for either motor type with a motor tune. Refer to
section Motor Learn for further information.
LM21 Motor Rs
The per phase induction motor stator resistance in ohms.
For PM motors this is the phase-to-phase resistance value of the stator. Motor
manufacturers may list the per phase value; therefore, you must multiply by two.
Incorrect settings of this parameter could lead to oscillation in the current control and
audible noise in the motor since the regulator values for the current control are calculated
from this value.
This value can be learned for either motor type with a motor tune. Refer to
section Motor Learn for further information.
LM22 Motor Rr
This is the per phase induction motor rotor resistance.
This parameter is not applicable to PM Synchronous motors and therefore will not
appear.
This value can be learned with a motor tune. Refer to section Motor Learn for
further information.
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