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A cumulative pollution index for the estimation of the leakage current on insulator strings
dc.contributor.author | Santos Yubero, Héctor de | es-ES |
dc.contributor.author | Sanz Bobi, Miguel Ángel | es-ES |
dc.date.accessioned | 2020-01-23T04:13:22Z | |
dc.date.available | 2020-01-23T04:13:22Z | |
dc.date.issued | 2020-10-01 | es_ES |
dc.identifier.issn | 0885-8977 | es_ES |
dc.identifier.uri | https:doi.org10.1109TPWRD.2020.2968556 | es_ES |
dc.description | Artículos en revistas | es_ES |
dc.description.abstract | es-ES | |
dc.description.abstract | The pollution performance of insulators installed in transmission and distribution lines plays a key role in maintaining the reliability, safety and cost-effectiveness of power systems. Among the different insulator monitoring techniques, leakage current stands out as one of the most meaningful pollution performance indicators as it gives a measure of how close the insulators string is to flashover. This paper presents a novel methodology for the prediction of the leakage current on insulator strings considering the environmental and weather information of the insulators location. It is based on the combination of a new developed Cumulative Pollution Index (CPI), which estimates the soluble pollution deposit on the insulator string, and a machine learning technique such as Random Forests algorithm. The method is valid for ceramic insulators, i.e. toughened glass, as well as RTV silicone-coated insulators with hydrophobic transfer properties. The research is supported by an extensive field monitoring program where three different insulator strings composed by non-coated, half-coated (bottom part) and full-silicone-coated glass insulators were monitored in a period covering twenty-two consecutive months. Finally, the performance of the proposed prediction model is evaluated using real data. | en-GB |
dc.format.mimetype | application/pdf | es_ES |
dc.language.iso | en-GB | es_ES |
dc.rights | es_ES | |
dc.rights.uri | es_ES | |
dc.source | Revista: IEEE Transactions on Power Delivery, Periodo: 1, Volumen: online, Número: 5, Página inicial: 2438, Página final: 2446 | es_ES |
dc.subject.other | Instituto de Investigación Tecnológica (IIT) | es_ES |
dc.title | A cumulative pollution index for the estimation of the leakage current on insulator strings | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.description.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | es_ES |
dc.keywords | es-ES | |
dc.keywords | Condition monitoring, contamination, flashover, glass insulators, leakage current, predictive models, random forests, RTV coatings, transmission lines. | en-GB |
dc.identifier.doi | 10.1109/TPWRD.2020.2968556 | es_ES |
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