| Title |
A Study on the Correction Processing for the Signal of the Space Charge Distribution in Polymer Insulating Materials Measured by PEA Method |
| Authors |
민우민(Woomin Min) ; 강종민(Jongmin Kang) ; 김형규(HyungGyu Kim) ; 박준도(JunDo Park) ; 황보승(Seung Hwangbo) |
| DOI |
http://doi.org/10.5370/KIEE.2018.67.7.860 |
| Keywords |
PEA (Pulsed Electro-Acoustic Method) ; Space Charge ; Deconvolution ; XLPE |
| Abstract |
The signal of space charge distribution measured in polymer insulating materials by the PEA has some noises due to the system circuits and the ringing phenomena in the sensor of PVDF and so on forth. It's magnitude mainly depends on the thickness of the insulation material, and it is also affected by the attenuation and dispersion when traveling in a dielectric material. In order to make it reliable, the correcting process for the signal is essential. In this study, we proposed the new deconvolution process on the measured signal of space charge distribution in the flat XLPE insulator, and developed a new signal processing algorithm. Using this, we could improve the reliability of the measured signal much and analyze the effects of space charge clearly in materials. |