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Start-up analysis methods for the diagnosis of rotor asymmetries induction motors- seeing is believing
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
University of Patras, Department of Electrical Engineering.
Department of Electrical Engineering and Automation, Aalto University, Espoo.
Institute of Energy Engineering, University of Valencia, Spain.
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Number of Authors: 5
2016 (English)In: 24th Mediterranean Conference on Control and Automation (MED): June 21-24, Athens, Greece, 2016, Piscataway, NJ: IEEE Communications Society, 2016, 372-377 p.Conference paper (Refereed)
Abstract [en]

This article presents a qualitative analysis of different methods proposed for the diagnosis of broken rotor bars using the stator current during start-up operation. The slip dependent components, caused by the asymmetry, which is created by the breakage of rotor bar(s) and especially the left sideband harmonic (LSH) component, can create a distinctive pattern in a time- frequency plane. Short Time Fourier Transform, Wavelet analysis, and Winger-Ville Distribution are evaluated by using signals coming from motors operating in real industrial settings. The corresponding analysis presents the pros and the cons of these approaches for their potential application under realistic industrial conditions using the larger number of real life cases encountered in the literature.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2016. 372-377 p.
Keyword [en]
Information technology - Automatic control
Keyword [sv]
Informationsteknik - Reglerteknik
National Category
Control Engineering
Research subject
Control Engineering
URN: urn:nbn:se:ltu:diva-38122DOI: 10.1109/MED.2016.7536045ScopusID: 2-s2.0-84986201013Local ID: c68f8e40-e935-4b4d-b352-51fabd72a87fISBN: 978-1-4673-8345-5 (electronic)OAI: diva2:1011621
Mediterranean Conference on Control and Automation : 21/06/2016 - 24/06/2016

Godkänd; 2016; 20160419 (geonik)

Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2016-11-08Bibliographically approved

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Georgoulas, GeorgiosNikolakopoulos, George
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