Parker AC30P Handbuch Seite 370

D-108
Parameter Reference
MRAS
Parameters::Motor Control::MRAS
These parameters are associated to the internal induction motor speed estimator (MRAS) module.
Parameter Name No.
MRAS Speed Percent 286
Diagnostic parameter that dispays speed calculated by the estimator as percent.
MRAS Speed RPM 1634
Diagnostic parameter that dispays speed calculated by the estimator as RPM.
MRAS Field Frequency 1635
Diagnostic parameter that dispays field frequency (electrical frequency) that the estimator provides for vector rotation.
MRAS Torque Percent 1560
Diagnostic parameter that dispays torque calculated by the estimator as percent.
MRAS Torque 1634
Diagnostic parameter that dispays torque calculated by the estimator as Nm.
Switchover Enable 1635
A boolean that enables or disables the ability to automatically switch into sensorless operation in the case of an encoder failure.
Path
Parameters::Motor Control::MRAS
Parameters::Motor Control::MRAS
Parameters::Motor Control::MRAS
Parameters::Motor Control::MRAS
Parameters::Motor Control::MRAS
Parameters::Motor Control::MRAS
Default Range
x.xx Min to Max
x.xx 0.000 to 30.000
x.xx 0.000 to 30.000
Min to Max
x.xx
0.000 to 30.000
x.xx
Units Writable
NEVER
%
s
NEVER
NEVER
Hz
%
NEVER
Nm NEVER
ALWAYS
AC30 series Variable Speed Drive