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Dynamic performance analysis of MRAS based speed estimators for speed sensorless induction motor drives
Krishna S.M,
Published in IEEE
MRAS estimators have become increasingly popular due to their ease of computational usage, flexibility and accurateness in determining the rotor speed of induction motors without speed sensors mounted on the shaft. This paper considers the three most popularly used configurations of MRAS Speed Estimators i.e., Rotor Flux, Back-EMF and Instantaneous Reactive power. The dynamic performance of the same is analyzed for different values of Load torque perturbations and is limited to medium and high speed range only. A mathematical model is presented for each estimator and an equivalent simulink model is built and the results are analyzed and inferences are drawn. © 2014 IEEE.
About the journal
JournalData powered by Typeset2014 International Conference on Advances in Electronics Computers and Communications
PublisherData powered by TypesetIEEE
Open Access0