Abstract
Subject of research: the process of self-starting of asynchronous electric motors in the presence of higher harmonics in the supply voltage network. Purpose of research: analysis of the influence of non-sinusoidal voltage on the duration of self-starting of asynchronous motors and the amount of additional heating during self-starting. Methods and objects of research: modeling of the self-starting mode of an asynchronous motor in the coordinate system α, β, 0; simulation modeling in Matlab Simulink. Main results of research: it has been shown that failure to take into account higher harmonics when the total harmonic distortion (THD) limit values are reached can result in an error in determining the self-start time by more than 20 % and the heating temperature by more than 10 %.
Published Version
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