Abstract
The original system useful for analysis of signals recorded during investigations of partial discharges (PD) within power oil transformers by means of acoustic method (AE) is presented. This method includes the basic and advanced analysis of recorded data. In the frame of advanced analysis of data the maps of descriptors on lateral walls of a transformer are calculated; it is a base for location of sources of partial discharges by means of the original method consisted in determination of advance degree of a signal. Results of this analysis, for signals recorded in three chosen transformers are presented in the paper. Based on the analysis three different types of partial discharges sources have been located.
| Translated title of the contribution | System do analizy sygnałów emisji akustycznej generowanych przez wyładowania niezupełne w izolacji transformatorów elektroenergetycznych |
|---|---|
| Original language | English |
| Pages (from-to) | 154-157 |
| Number of pages | 4 |
| Journal | Przeglad Elektrotechniczny |
| Volume | 88 |
| Issue number | 11 B |
| Publication status | Published - 2012 |
Keywords
- Acoustic emission
- Descriptors
- Partial discharges
- Sources localization
ASJC Scopus subject areas
- Electrical and Electronic Engineering
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