Justification of the approach to impact compensation of the induction motor parametric asymmetry within the frequency-contropped electric drive

A. V. Chumachova, A. P. Kalinov


The analysis of existing approaches to the compensation of higher harmonics in the current and power signals of threephase systems is carried out. The advantages and disadvantages of the three main power theories are defined according to their application for compensation of the higher harmonic components in active and reactive power. The necessity of variable components compensation of three-phase induction motor active power caused by its parameters asymmetry is shown. The compensation method of these components within the frequency-controlled electric drive is proposed.


asynchronous motor; the instantaneous power theory; power harmonic components


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