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Microsystems, Electronics and Acoustics
ISSN 2523-4447 · e‑ISSN 2523-4455 Open Access · CC BY-SA 4.0
Vol. 26 · Issue 2 · 2021 Aug 31, 2021 Electronic Systems and Signals

Automatic Asynchronous Drive Efficiency Control with Soft-Starter Function

ОК
Олександр Р. Ковальов Corresponding Національний технічний університет «Дніпровська політехніка» Ukraine
ОН
Ольга Ю. Нестерова Національний технічний університет «Дніпровська політехніка» Ukraine
ВБ
Валерій А. Бородай Національний технічний університет «Дніпровська політехніка» Ukraine
Pages235881-1 - 235881-7 PublishedAug 31, 2021
PDF (Ukrainian)
VOL 26 · ISS 2 · 2021 View issue

Abstract

Digital models of pulse-width voltage control system with step switching of power supply frequency and automatic control of induction motor are developed and built, the recommendations on the algorithm of their control and circuit solution for the implementation of smooth start modes, nominal and frequency-step control from low-power -variable load schedule are provided. The novelty of the work lies in the substantiated sequence and conditions of control and originality of the structure of the automatic system of smooth start-up and activation of the effective mode of the asynchronous drive. The introduction of the conversion system will create an automatic system of asynchronous drive, due to which it is possible to achieve energy conservation at all levels of the electromechanical system, with minimum capital investment.

Keywords

#long mode of operation #low-variable load schedule #energy-efficient drive control #automatic mode switching control #increased power factor

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