Issue
J. Phys. IV France
Volume 129, October 2005
Page(s) 173 - 177
DOI https://doi.org/10.1051/jp4:2005129037


J. Phys. IV France 129 (2005) 173-177

DOI: 10.1051/jp4:2005129037

Application of the calibrated acoustic emission to investigate properties of acoustic emission signals coming from partial discharge sources modelled in laminar systems

F. Witos1 and Z. Gacek2

1  Silesian University of Technology, Institute of Physics, Gliwice, Poland
2  Silesian University of Technology, Institute of Power Systems and Control, Gliwice, Poland


Abstract
The measuring system used to investigate of partial discharge by means of the calibrated acoustic emission as well as the analysis of investigation results of partial discharges in modelled laminar systems are presented. Modelled laminar systems enable us to observe inner and surface discharge together with discharge within oil. The results of analysis determine different properties of acoustic emission signals coming from different modelled partial discharge sources in the time, discrimination threshold and time-frequency domain.



© EDP Sciences 2005

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