A comparative study of various MRAS-based IM's rotor resistance adaptation methods

Three simple methods for rotor resistance identification in sensorless indirect field-oriented control of an induction motor drive are presented and compared. Two of the three techniques namely, electromagnetic torque equation, and reactive power are based on the generalization of existing methods....

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Bibliographic Details
Main Authors: Dehbozorgi, M. R., Kojabadi, H. M., Vahedi, H., Al-Haddad, K.
Format: Conference Proceeding
Language:English
Subjects:
Computational modeling
Inverters
Regulators
Rotors
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Summary:Three simple methods for rotor resistance identification in sensorless indirect field-oriented control of an induction motor drive are presented and compared. Two of the three techniques namely, electromagnetic torque equation, and reactive power are based on the generalization of existing methods. Authors propose the thired method, namely, active power equation which is an improvement over the existing schemes. Although all three schemes estimate the rotor resistance effectively, the proposed technique is superior to others in providing faster estimation approach. The proposed method will be analyzed along with other previously proposed MRAS based methods, and the advantage and limitations of each will be discovered. Simulation results of all three methods will be provided for comparison.
ISSN:1553-572X
DOI:10.1109/IECON.2012.6389239