Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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On-line Faults Signature Monitoring Tool for Induction Motor Diagnosis

  • Published : 2010.03.01
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Abstract

The monitoring and the diagnosis of the faults in induction motors starting from the stator current are very interesting, since it is an accessible and measurable quantity. The spectral analysis of the stator current makes it possible to highlight the characteristic frequencies of the faults but in a wide frequency range depending on half the sampling frequency, making it very difficult to monitor on-line the faults. In order to facilitate the use of the relevant frequencies of machine faults we proposed the extraction of the frequency components using two methods, namely, the amplitude and the instantaneous frequency. The theoretical bases of these methods were presented and the results were validated on a test bench with an induction motor of 5.5 kw.

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References

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  2. Fault-Tolerant Control of Five-Phase Induction Motor Under Single-Phase Open vol.9, pp.3, 2014, https://doi.org/10.5370/JEET.2014.9.3.899
  3. Industrial drive fault diagnosis through vibration analysis using wavelet transform vol.23, pp.12, 2017, https://doi.org/10.1177/1077546315606602
  4. A Study on Fast Maximum Efficiency Control of Stator-Flux-oriented Induction Motor Drives vol.6, pp.5, 2011, https://doi.org/10.5370/JEET.2011.6.5.626
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