| Issue |
E3S Web Conf.
Volume 124, 2019
International Scientific and Technical Conference Smart Energy Systems 2019 (SES-2019)
|
|
|---|---|---|
| Article Number | 02014 | |
| Number of page(s) | 6 | |
| Section | Electromechanics and Electrical Apparatus | |
| DOI | https://doi.org/10.1051/e3sconf/201912402014 | |
| Published online | 25 October 2019 | |
A statistical method for stastical appraisal of the power cable conditions based on the TD and PD diagsnostics result
1
BAUR GmbH, Austria
2
KEPCO, South Korea
* Corresponding author: t.neier@baur.at
This study handles one of the key questions of network operators: How can the remaining life time of underground power cables be estimated? The answer to this question is explained by a new method of KEPCO Korea. When combining VLF Tan Delta (TD) and Partial Discharge (PD) diagnostic it is possible to identify and localize weak individual spots along a cable. After weak spots are cleared, the general aging condition of the cable can be evaluated and the Remaining Life Time can be estimated. The implementation of this approach in the KEPCO Distribution Networks is illustrated in a practical case study. A new tool for asset managers is available and it is expected that it will help to further develop the preventive maintenance approach by power utilities all around the world.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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