Electrical breakdown characteristics of the XLPE cables under AC, DC, and pulsating voltages

被引：0
|
作者：
Grzybowski, S
Fan, J
机构：
来源：
PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON PROPERTIES AND APPLICATIONS OF DIELECTRIC MATERIALS, VOLS 1 AND 2 | 1997年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Electrical breakdown strength of the 5 kV XLPE cables was studied under ac, de, and pulsating voltages. The pulsating voltage was obtained by superimposing ac voltage on de voltage. In the later case, the ratio of ac to de voltage components (p = Vac/Vdc) was varied between the limits of 0.1<p<10. Both the sound and imperfect cables are used as the test samples. Two types of imperfections are studied. Cables samples with artificial holes and cables samples with embedded needles. Study results shows that the pulsating voltage is an effective way to detect the imperfections inside the XLPE cables.
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页码：389 / 393
页数：5
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