Applications of the Acoustic Method in Partial Discharge Measurement: A Review

This paper reviews the main features of acoustic emission technique. First, the characteristics of acoustic signals and their physics are addressed. Then, the structure of acoustic sensors employed for capturing signals is studied. In the next step, the acoustic method of PD measurement is compared...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2021-02, Vol.28 (1), p.42-51
Main Authors: Ilkhechi, Hossein Dadashi, Samimi, Mohammad Hamed
Format: Article
Language:English
Subjects:
Acoustic emission testing
Acoustic measurements
acoustic signal processing
acoustic transducers
Acoustics
Atmospheric measurements
Discharge measurement
fault location
monitoring
Partial discharge measurement
Partial discharges
Particle measurements
Signal processing
Signal processing algorithms
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Summary:This paper reviews the main features of acoustic emission technique. First, the characteristics of acoustic signals and their physics are addressed. Then, the structure of acoustic sensors employed for capturing signals is studied. In the next step, the acoustic method of PD measurement is compared with the standard electrical method. Afterward, the applications of AET in PD measurement in different equipment are summarized. All acoustic method and combined acoustic-electrical method for PD localization in transformers are discussed. Moreover, the applications of AET in the monitoring of GIS systems are explained, along with the acoustic behaviors of moving particles in these systems. Finally, the general considerations in the signal processing of the acoustic signals are reviewed.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2020.008985