Comparative experimental investigation of broken bar fault detectability in induction motors

K.N. Gyftakis, J.A. Antonino-Daviu, R. Garcia-Hernandez, M. McCulloch, D.A. Howey, A.J.M. Cardoso

Research output: Contribution to journalArticle

38 Citations (Scopus)
66 Downloads (Pure)

Abstract

It has been shown in the past that the zero-sequence current spectrum can be reliably used to detect broken bar faults in induction motors. Previous work was carried out with extensive FEM analysis. Although it allows detailed study of spatial and time-dependent electromagnetic characteristics of induction motors, FEM is a heavily time-consuming tool and this limits full study. So, in this work, extensive experimental testing has been performed to validate the zero sequence current spectrum for detecting rotor asymmetries. Three identical induction motors have been used: one healthy, one with a broken rotor bar, and one with two broken rotor bars. The motors were tested under different voltage supply levels and with different mechanical loads. The zero-sequence current spectrum was calculated after measuring the three phase currents. It is for the first time experimentally shown that this approach offers greater diagnostic potential than traditional MCSA.
Original languageEnglish
Pages (from-to)1452 - 1459
Number of pages8
JournalIEEE Transactions on Industry Applications
Volume52
Issue number2
Early online date4 Dec 2015
DOIs
Publication statusPublished - Mar 2016

Bibliographical note

This article has been accepted for publication in IEEE Transactions on Industry Applications. It has also been published as conference proceedings in Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED), 2015 IEEE 10th International Symposium on, 461-467, DOI: 10.1109/DEMPED.2015.7303730
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Funder

EPSRC funded FUTURE Vehicles project

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