The influence of test voltage waveforms on partial discharge activity in XLPE

被引：0
|
作者：
Cavallini, A. [1 ]
Montanari, G. C. [1 ]
Mariut, L. E. [2 ]
机构：
[1] Univ Bologna, Dept Elect Engn, Bologna, Italy
[2] Transilvania Univ Brasow, Dept Electrotechn, Brasov, Romania
来源：
CONFERENCE RECORD OF THE 2012 IEEE INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATION (ISEI) | 2012年
关键词：
component; Partial Discharges; Oscillating Wave Voltages; Very Low Frewquecy; SYSTEM;
D O I：
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：
The influence of applied voltage waveform on partial discharges in cavities embedded in cross-linked polyethylene is investigated in this paper. The voltage waveforms dealt with are (a) 50 Hz sinusoidal, (b) 0.1Hz sinusoidal, (c) oscillating voltage waveforms having different frequencies and decay time constant of 80 ms. The results show that, under sinusoidal waveforms, 0.1Hz generally provides the lowest PDIV values, whereas PDIV increase slightly with frequency. Oscillating voltage waveforms can provide very inaccurate PDIV estimates, with errors up to about 100%.
引用
收藏
页码：554 / 557
页数：4
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