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Features of frequency analysis of torque control loop in ac electric drives

Особенности частотного анализа контура регулирования момента в электроприводе переменного тока
Authors: Shishkov, A.N.; Sychev, D.A.; Savosteenko, N.V.; Krupnova, M.N.; Zemlyansky, A.A.;

Features of frequency analysis of torque control loop in ac electric drives

Abstract

A.N. Shishkov, shan1982@mail.ru, D.A. Sychev, dmitry.epa@gmail.com, N.V. Savosteenko, nikita.epa@gmail.com, M.N. Krupnova, masha.krupnova.epa@gmail.com, A.A. Zemlyansky, andrey.zemlyansky@gmail.com South Ural State University, Chelyabinsk, Russian Federation Шишков Александр Николаевич, канд. техн. наук, доцент, зав. кафедрой «Автоматизированный электропривод», Южно-Уральский государственный университет, г. Челябинск; shan1982@mail.ru. Сычев Дмитрий Александрович, старший преподаватель, кафедра «Автоматизированный электропривод», Южно-Уральский государственный университет, г. Челябинск; dmitry.epa@gmail.com. Савостеенко Никита Вадимович, магистрант, кафедра «Автоматизированный электропривод», ЮжноУральский государственный университет, г. Челябинск; nikita.epa@gmail.com. Крупнова Мария Николаевна, студентка, кафедра «Автоматизированный электропривод», Южно-Уральский государственный университет, г. Челябинск; masha.krupnova.epa@gmail.com. Землянский Андрей Алексеевич, студент, кафедра «Автоматизированный электропривод», Южно-Уральский государственный университет, г. Челябинск; andrey.zemlyansky@gmail.com. In the article, the structural scheme of the synchronous motor torque control channel is shown and mathematically described. Passing of a sine signal in the torque control loop is considered, equations for describing the dynamic properties of the current control loop are given. Specific features relating to the frequency characteristics of the channel for controlling of the electromagnetic torque in the adjustable variable speed drive with synchronous electric machines are considered. The control channel is regarded as a linear system with amplitude modulation. A comparative analysis of the experimental and calculated Bode plots of the current and torque control loops is carried out. В работе приведена и математически описана структурная схема канала регулирования момента синхронного двигателя. Рассматривается прохождение синусоидального сигнала в контуре регулирования момента, приведены уравнения для описания динамических свойств контура регулирования тока. Рассмотрены особенности частотных характеристик канала регулирования электромагнитного момента в частотно-регулируемых электроприводах c синхронными электрическими машинами. Канал регулирования момента рассматривается как линейная система с амплитудной модуляцией. Проведен сравнительный анализ экспериментальных и расчетных логарифмических частотных характеристик контуров регулирования тока и момента. The work was supported by Act 211 Government of the Russian Federation, contract № 02.A03.21.0011.

Keywords

электропривод, bode plots, frequency control, synchronous reluctance motor, 621.313.3 [УДК 62-83], частотное регулирование, electric drive, логарифмические частотные характеристики, синхронный реактивный двигатель

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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!
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