Analysis and Approximation of THD and Torque Ripple of Induction Motor for SVPWM Control of VSI-Reference-Cited by-同舟云学术

Analysis and Approximation of THD and Torque Ripple of Induction Motor for SVPWM Control of VSI

Published:2023-06-10 Issue:12 Volume:16 Page:4628
ISSN:1996-1073
Container-title:Energies
language:en
Short-container-title:Energies

Author:

Sieklucki Grzegorz¹^ORCID,Sobieraj Sylwester¹^ORCID,Gromba Józef¹^ORCID,Necula Raluca-Elena²

Affiliation:

1. Department of Power Electronics and Automation of Energy Transformation Systems, AGH University of Science and Technology, 30-059 Krakow, Poland

2. Department of Automation and Electrical Engineering, Dunărea de Jos University of Galați, 800146 Galati, Romania

Abstract

This article presents a harmonic analysis of the stator currents of a squirrel-cage induction motor fed by a voltage source inverter with PWM space vector control (SVPWM). The influence of PWM switching frequency and dead time (dead band) of controlled transistors on THD and electromagnetic torque ripple is shown. The aim is to determine the lowest switching frequency of the transistors for which the drive will operate correctly. Characteristics were determined as functions in the form of THD (fPWM), where the least square approximation was used for stator current measurements when the PWM switching frequency was changed. The approximations were realized for simulation and experimental results. To clarify the results, the operation of hardware PWM circuits in microcontrollers is analyzed.

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction

Link

https://www.mdpi.com/1996-1073/16/12/4628/pdf

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4. Bose, B. (2006). Power Electronics and Motor Drives: Advances and Trends, Elsevier Science.

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