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An Improved DTC Based Five-phase Induction Motor Drive with Minimum Torque Ripple and Constant Switching FrequencyGAURI, A.   , VINOD, B. R. , SREENI, K. G. , SHINY, G. |
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Author keywords
switching frequency, flux demagnetization, direct torque control, torque ripple, inverter
References keywords
torque(21), induction(21), control(20), electronics(16), motor(14), direct(14), phase(10), industrial(10), power(8), applications(7)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2024-02-29
Volume 24, Issue 1, Year 2024, On page(s): 51 - 60
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2024.01006
SCOPUS ID: 85189468712
Abstract
Variation in switching frequency with operating speed and high torque ripples are two important limitations of the Direct Torque Control or DTC technique. The potentiality of the switching device cannot be fully exploited for variable switching frequency (in the case of lowest frequency) whereas high torque ripples lead to vibrations and acoustic noise in the motor. A five-phase induction motor (FPIM) based on DTC technique is presented here to overcome these drawbacks. A five-level Proportional-Integral (PI) based torque controller using waveform comparison is employed in the drive. The PI controller will process the torque error whose output is then compared simultaneously with four constant frequency triangular waves to achieve constant switching frequency. The gains of PI controller are designed using linear control theory for minimum torque ripples. Stator current distortion due to the presence of auxiliary subspace in the five-phase system is also minimized. The demagnetization of stator flux during low-speed operation is mitigated through the selection of voltage vectors that are present thirty-six degrees within the sector boundaries. Experimental results have been presented for validating the steady state and dynamic performance of proposed DTC technique. |
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
