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In this paper, a new MRAS based speed estimation technique for the vector controlled DFIM drive under stator flux orientation is proposed. The proposed MRAS is based on a fictitious quantity whose dimension is ohm. The proposed formulation is free from flux estimation and independent of stator and rotor resistance variations. This new formulation shows stable performance in the regenerating mode of operation of DFIM. All the relevant studies, in this context, are done in MATLAB/Simulink. The simulation study is further validated with a dSPACE-1104-based DFIM laboratory prototype.

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This page is a summary of: A New MRAS Based Speed Estimation of Grid-Connected Doubly-Fed Induction Machine Drive , IET Power Electronics, January 2017, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-pel.2016.0768.
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