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Метод определения гармонического состава фазного тока статора асинхронного двигателя в системах регулируемых приводов

Метод определения гармонического состава фазного тока статора асинхронного двигателя в системах регулируемых приводов

Abstract

Предлагается метод определения гармонического состава фазного тока статора асинхронного двигателя (АД), запитанного от автономного инвертора напряжения (АИН) в системах регулируемых тяговых и промышленных приводов. Ток статора является одним из основных регулируемых параметров для систем автоматического управления указанных выше приводов, поэтому, зная информацию о реальном значении его первой гармоники, которая определяет выходные характеристики АД, можно более точно проводить идентификацию этого тока, что необходимо для контроля и регулирования параметров АД. Предложенный метод отличается высоким быстродействием и точностью по сравнению с методом, основанным на регулировании АД по усреднённым или амплитудным значениям тока. The method for determination harmonic content of the stator phase current of induction motor (IM) that is powered with an autonomous voltage inverter (AVI) in controlled traction and industrial drives systems is proposed. The stator current is one of the main adjustable parameters for automatic control systems of drives indicated earlier. Knowing about the real meaning of the stator current first harmonic, which determines the IM output characteristics, it is possible to realize this current identification more exactly, which is necessary for the control and regulation IM parameters. The proposed method is faster and more accurate than the method based on the IM regulation with average or amplitude current values.

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Keywords

микропроцессорная система управления, harmonic composition, autonomous voltage inverter, преобразования Фурье, гармоники, автономный инвертор напряжения, phase current, induction motor

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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