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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Benzerouk, Djamal Menzel, Johannes Patsch, Rainer |
| Copyright Year | 2007 |
| Description | Author affiliation: Institute of Materials & Diagnostics in Electrical Engineering, University of Siegen, Germany (Benzerouk, Djamal; Menzel, Johannes) || Institute of Materials & Diagnostics in Electrical Engineering, University of Siegen, Germany. E-mail: rainer.patsch@uni-siegen.de (Patsch, Rainer) |
| Abstract | A partial discharge in a solid dielectric or a commercial insulation consisting of different insulating materials often generates local charge accumulations that change the local electric field in the surrounding of the defect. Hence the conditions for the ignition of the following discharge are changed. Consequently in many cases a correlation between consecutive partial discharges exists that can be used for a better understanding of the local degradation processes. The Pulse Sequence Analysis has shown that space charges generated by previous partial discharges determine the further sequence of discharges and the method has proven to be very efficient in characterizing the defect type. Especially the time difference ¿tn and the voltage change ¿Un between consecutive discharges have been shown to be very meaningful parameters. In the paper it will be shown from measurements on different electric apparatuses, in how far the partial discharge phenomena are influenced by charges accumulated as the consequence of prior discharges. |
| Starting Page | 552 |
| Ending Page | 555 |
| File Size | 2541138 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424407508 |
| DOI | 10.1109/ICSD.2007.4290873 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-07-08 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Partial discharges Dielectrics and electrical insulation Solids Dielectric materials Ignition Degradation Space charge Character generation Pulse generation Voltage |
| Content Type | Text |
| Resource Type | Article |
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