{"title":"A study on leakage current characteristics of field aged XLPE cable","authors":"H. Muto, Y. Yamashita, Y. Maruyuma, Z. Iwata","doi":"10.1109/ICPADM.1991.172105","DOIUrl":null,"url":null,"abstract":"The leakage current characteristic of degraded XLPE (cross-linked polyethylene) cable was investigated under DC and AC electric field. The cable with heavy vented tree degradation showed a typical increase of DC leakage current and Dc component. In this instance, the bridged vented tree plays an important role in the increase of this current. The low-frequency component of the charging current was observed in the type of cable. The DC leakage current, DC component, and low-frequency component of the charging current were found to vary in a complex manner, depending on the applied voltage and its history. This may be attributable to the change of the internal water tree structure.<<ETX>>","PeriodicalId":6450,"journal":{"name":"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials","volume":"2 1","pages":"494-497 vol.1"},"PeriodicalIF":0.0000,"publicationDate":"1991-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPADM.1991.172105","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
The leakage current characteristic of degraded XLPE (cross-linked polyethylene) cable was investigated under DC and AC electric field. The cable with heavy vented tree degradation showed a typical increase of DC leakage current and Dc component. In this instance, the bridged vented tree plays an important role in the increase of this current. The low-frequency component of the charging current was observed in the type of cable. The DC leakage current, DC component, and low-frequency component of the charging current were found to vary in a complex manner, depending on the applied voltage and its history. This may be attributable to the change of the internal water tree structure.<>
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