An ESPRIT-SAA-based detection method for broken rotor bar fault in induction motors

Boqiang Xu, Liling Sun, Lie Xu, Guoyi Xu

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

This paper presents a novel detection method for broken rotor bar fault (BRB) in induction motors based on the estimation of signal parameters via rotational invariance technique (ESPRIT) and simulated annealing algorithm (SAA). The performance of ESPRIT is tested with the simulated stator current signal of an induction motor with BRB. It shows that even with short-time measurement data, the technique is capable of correctly identifying the frequencies of the BRB characteristic components but with a low accuracy on the amplitudes and initial phases of those components. The SAA is then used to determine their amplitudes and initial phases and shows satisfactory results. Finally, experiments on a 3-kW, 380-V, 50-Hz induction motor are conducted to demonstrate the effectiveness of the ESPRIT-SAA-based method in detecting BRB with short-time measurement data. It proves that the proposed method is a promising choice for BRB detection in induction motors operating with small slip and fluctuant load.
LanguageEnglish
Pages654-660
Number of pages7
JournalIEEE Transactions on Energy Conversion
Volume27
Issue number3
DOIs
Publication statusPublished - Sep 2012

Fingerprint

Invariance
Simulated annealing
Induction motors
Rotors
Time measurement
Fault detection
Stators
Experiments

Keywords

  • ESPRIT-SAA-based detection method
  • broken rotor bar fault
  • induction motors
  • spectral analysis
  • stators
  • current measurement
  • frequency measurement
  • metals
  • rotors

Cite this

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title = "An ESPRIT-SAA-based detection method for broken rotor bar fault in induction motors",
abstract = "This paper presents a novel detection method for broken rotor bar fault (BRB) in induction motors based on the estimation of signal parameters via rotational invariance technique (ESPRIT) and simulated annealing algorithm (SAA). The performance of ESPRIT is tested with the simulated stator current signal of an induction motor with BRB. It shows that even with short-time measurement data, the technique is capable of correctly identifying the frequencies of the BRB characteristic components but with a low accuracy on the amplitudes and initial phases of those components. The SAA is then used to determine their amplitudes and initial phases and shows satisfactory results. Finally, experiments on a 3-kW, 380-V, 50-Hz induction motor are conducted to demonstrate the effectiveness of the ESPRIT-SAA-based method in detecting BRB with short-time measurement data. It proves that the proposed method is a promising choice for BRB detection in induction motors operating with small slip and fluctuant load.",
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An ESPRIT-SAA-based detection method for broken rotor bar fault in induction motors. / Xu, Boqiang; Sun, Liling; Xu, Lie; Xu, Guoyi.

In: IEEE Transactions on Energy Conversion , Vol. 27, No. 3, 09.2012, p. 654-660.

Research output: Contribution to journalArticle

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