Abstract

ABSTRACT Aim of this study is to investigate a sensor-less speed-observer with the principles of vector control for the industrial applications of Wound-Rotor Induction Motors (WRIM). The proposed estimation method is based on a simple topology to efficiently predict the rotor-speed signal with the aid of the phase axes relations of the adopted motor and using the flux orientation scheme with the indirect type (IRFOC). To effectively verify the efficacy of the presented sensor-less control system, overall results are carried out. The realised analysis validates the proposed estimation method for the rotor-speed of WRIM, which ensures its capability for sensor-less vector control methodology of the adopted system.

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