Efficiency assessment of induction motors operating under different faulty conditions

Maeva Garcia, Panagiotis Panagiotou, Jose A. Antonino-Daviu, Konstantinos N. Gyftakis

Research output: Contribution to journalArticle

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Abstract

Fault diagnosis in induction motors has been a topic that has drawn an increasing attention among the electrical engineering community, including both industry and academia. Diverse techniques have been developed in order to detect the presence of possible faults in their early stages, so that forced outages of the motor and consequent economic consequences can be avoided. However, little attention has been paid to the implications of the presence of these faults in terms of motor efficiency reduction. The efficiency drops caused by the existence of faults or anomalies in the motor, which can be present during long time intervals, can lead to economic losses that can be even greater than those caused by eventual motor outages. In spite of this fact, many industrial users are not aware of the efficiency repercussions of the operation under non-healthy conditions. As a consequence, it becomes necessary to accurately study and quantify the efficiency decrements caused by the presence of possible failures, so that the users can have this information available to adopt proper maintenance decisions. This paper analyses how different non-catastrophic failures influence the value of motor efficiency; different types of rotor faults as well as bearing failures are considered. In this work it is shown that indeed the presence of these failures strongly affects the motor efficiency and may have serious implications on the motor performance and operational cost.
Original languageEnglish
Pages (from-to)(In-press)
JournalIEEE Transactions on Industrial Electronics
Volume(In-press)
DOIs
Publication statusPublished - 13 Dec 2018

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Induction motors
Outages
Bearings (structural)
Economics
Electrical engineering
Failure analysis
Rotors
Costs
Industry

Bibliographical note

© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

  • Induction motors
  • Bars
  • Rotas
  • Load modeling
  • Economics
  • Stator cores
  • Industries

Cite this

Efficiency assessment of induction motors operating under different faulty conditions. / Garcia, Maeva; Panagiotou, Panagiotis; Antonino-Daviu, Jose A.; Gyftakis, Konstantinos N.

In: IEEE Transactions on Industrial Electronics, Vol. (In-press), 13.12.2018, p. (In-press).

Research output: Contribution to journalArticle

Garcia, Maeva ; Panagiotou, Panagiotis ; Antonino-Daviu, Jose A. ; Gyftakis, Konstantinos N. / Efficiency assessment of induction motors operating under different faulty conditions. In: IEEE Transactions on Industrial Electronics. 2018 ; Vol. (In-press). pp. (In-press).
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