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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ashtiani, M.B. Shahrtash, S.M. |
| Copyright Year | 1994 |
| Abstract | In this paper a new approach is given for insulation assessment of HV cables based on investigating the void size and/or remained insulation thickness (RIT), while the void is considered as the partial discharge source. The proposed decision tree based algorithm has well kept its capability in classifying the void size under different conditions of geometrical properties of the void such as size, depth and location; cable characteristics such as age and temperature; and also environmental noise. The procedure includes four stages which are, signal de-noising, PD detection, feature generation and compensation and finally void classification. In the first stage, the prerequisite task of de-noising is performed by a filter based on Mathematical Morphology (MM). PD detection stage is carried out based on mathematical morphology functions, too. In the feature generation stage, a compensation procedure is employed, in order to diminish the effect of pulse propagation along the cable on the PD features used for classification. Finally, in the last stage, void classification is done by Decision tree. Simulation results have shown high accuracy of the proposed insulation assessment method. In addition, in the stages of noise reduction and PD detection, performances of the algorithms are examined by experimental data which is recorded in the field. |
| Sponsorship | National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA |
| Starting Page | 1347 |
| Ending Page | 1355 |
| Page Count | 9 |
| File Size | 4044471 |
| File Format | |
| ISSN | 10709878 |
| Volume Number | 20 |
| Issue Number | 4 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-08-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Partial discharges Cable insulation Power cables Decision trees Classification algorithms Estimation high voltage power cables Partial discharge remained insulation thickness decision tree mathematical morphology insulation assessment |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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