Partial discharge phenomena due to electrical treeing in XLPE

被引：0
|
作者：
Yang, J. J. [1 ]
Zhang, D. M. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, 50 Nanyang Ave, Singapore 639798, Singapore
来源：
2006 1ST IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-3 | 2006年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Increased electrical stress due to cable joints was simulated by point-plane electrode configuration. Electrical tree formed in XLPE insulation sliced from 220kV rated cable was diagnosed by partial discharge and dielectrometry measurements and optical observation. With increasing voltage at the rate of 1kV/10min, various analyses for PD pulses distribution in 20 ms and single pulses were carried out to compare the effects of applied voltage. Two types of electrical trees have been found out based on PD analysis and optical recording. Observed light emission supported the theory of emission by protons due to high-energy electrons. The analysis was supported with dielectrometry measurements on the sample before and after tree formation. And also, typical models were developed to study the mechanism of treeing.
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页码：1709 / +
页数：2
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