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2009 | 116 | 3 | 290-293
Article title

The Application of the Selected Time-Frequency Descriptors Detection of the Acoustic Emission Signals Generated by Multisource Partial Discharges

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The paper presents the comparative analysis results of the acoustic emission signals generated by various forms of partial discharges occurring in multisource systems. Modern methods of the signal digital processing: a short-time Fourier transform and continuous and discrete wavelet transforms were applied for the assessment of the results in the time-frequency domain. The acoustic emission signals generated by partial discharges were registered with a WD AH17 contact transducer by the Physical Acoustics Corporation placed on the external part of the tub.
  • Faculty of Electrical Engineering, Automatic Control and Computer Science, Opole University of Technology, Mikołajczyka 5, 45-271 Opole, Poland
  • 1. T. Boczar, A. Cichon, S. Borucki, in: Proc. Int. Conf. Acoustics'08 Paris (Euronoise), 2008, p. 2205
  • 2. T. Boczar, S. Borucki, A. Cichon, in: Proc. Europ. Symp. of Acoustics - Acustica'08, Coimbra (Portugal) 2008, p. 1
  • 3. T. Boczar, S. Borucki, A. Cichon, M. Lorenc, Arch. Acoust. 31 (Suppl.), 325 (2006)
  • 4. E. Gulski, Diagnostics Partial Discharges on the High Voltage Plant in Exploitation, Oficyna Politechniki Warszawskiej, Warszawa 2003 (in Polish)
  • 5. F. Witos, Z. Gacek, Z. Opilski, Acta Phys. Pol. A 114, A-249 (2008)
  • 6. T. Boczar, S. Borucki, A. Cichon, M. Lorenc, Acta Phys. Pol. A 114, A-21 (2008)
  • 7. F. Witos, Z. Gacek, P. Paduch, Mol. Quant. Acoust. 28, 271 (2007)
  • 8. T. Boczar, M. Szmechta, D. Zmarzły, Mol. Quant. Acoust. 28, 39 (2007)
  • 9. A. Szpakowski, C. Tyszkiewicz, T. Pustelny, Acta Phys. Pol. A 114, A-237 (2008)
  • 10. T. Boczar, S. Borucki, A. Cichon, Mol. Quant. Acoust. 28, 13 (2007)
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