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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Aleksander Aleksandrovich Baldenkov
South Ural State University
Control & Systems Engineering Electrical & Electronics Engineering

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Stabilization of the stator and rotor flux linkage of the induction motor in the asynchronous electric drives with frequency regulation Vladimir L. Kodkin; Aleksandr Sergeevich Anikin; Aleksander Aleksandrovich Baldenkov
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 11, No 1: March 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (14.949 KB) | DOI: 10.11591/ijpeds.v11.i1.pp213-219

Abstract

The article is a continuation of the authors' work in research, mainly experimental, asynchronous electric drives with frequency regulation (AED FR) of hoisting-and-transport mechanisms, in which for constructive, operational and other reasons it is difficult to install additional sensors, for example encoders. The results of the analysis of the dynamics of AED FR with two types of sensorless control: vector and scalar are presented in this article. The study was conducted by mathematical modeling in the Simulink application of the MatLab software using standard control system models. The processes of sequential acceleration of the engine to fixed speeds with overload and load shedding on each of them were simulated. At the same time, the speed and effective values of the flux linkages of the rotor and stator and the stator current were monitored, by which the dynamics and efficiency of each type of control were evaluated. As in experimental studies, the dynamic and efficiency of a more stable scalar control was significantly improved by the use of dynamic positive feedback on stator current.
Co-Authors Aleksandr Sergeevich Anikin Vladimir L. Kodkin