This work deals with the development of sensorless control for the induction motor by means of a three-phase multilevel converter with optimization of the harmonic content in line voltages. The control was designed and implemented, based on the frequency variation method implemented in an H-bridge multi-level converter of common source in the range of 5 Hz to 100 Hz. This involves the development of a multiobjective optimization algorithm (switching angles, THD and voltage level), the sensorless control technique feeds back the control loop with the estimated speed of the current magnitudes based on the mathematical model of the induction motor. The sensor system is embedded in the converter eliminating the need to use mechanically coupled sensors in the induction motor, the control technique works properly in steady and dynamic mode, and the harmonic content (THD) is optimized being less than 2%.


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    Title :

    Sensorless Control of an Induction Motor with Common Source Multilevel Converter


    Additional title:

    Lect. Notes in Networks, Syst.



    Conference:

    Proceedings of the Latin American Congress on Automation and Robotics ; 2019 ; Cali, Colombia October 30, 2019 - November 01, 2019



    Publication date :

    2020-01-30


    Size :

    15 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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