Detection of water trees in medium voltage XLPE cables by return voltage measurements

被引:0
|
作者
Jonuz, B [1 ]
Morshuis, PHF [1 ]
van Breen, HJ [1 ]
Pellis, J [1 ]
Smit, JJ [1 ]
机构
[1] Delft Univ Technol, Delft, Netherlands
关键词
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暂无
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
Several methods are proposed in literature to characterize the state of deterioration of water-treed cable insulation. One of these methods is the Return Voltage Measurement (RVM) method, which was initially introduced as a diagnostic method for oil-paper insulating systems. It is mostly used to determine the condition of the paper insulation of transformer windings. It has been shown [1], [2] that it is possible to use RVM for detection of water trees in XLPE cables. In this paper, a methodology is presented that allows the detection of water trees in PE and XLPE insulated cables, without the need for a reference measurement. Also, the influence of temperature on RVM measurements was examined, for cables with and without water trees.
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页码:355 / 358
页数:4
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