Impulse partial discharge and breakdown mechanism under non-uniform electric field in N2/SF6 gas mixtures

被引：0
|
作者：
Yoshitake, Y [1 ]
Hayakawa, N [1 ]
Ueda, T [1 ]
Okubo, H [1 ]
机构：
[1] Nagoya Univ, Dept Elect Engn, Okubo Lab, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
2002 ANNUAL REPORT CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA | 2002年
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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：
Partial discharge inception voltage (PDIV50) with 50% probability and breakdown voltage (BDV50) were measured in N-2/SF6 gas mixtures under non-uniform electric field for positive lightning impulse voltage application. In order to investigate partial discharge (PD) and breakdown (BD) mechanisms, PD step length and time interval of PD pulses were discussed through the simultaneous measurement of current, light intensity waveforms, streak and still light emission images of the impulse PD. Experimental results revealed the stepwise propagation of the impulse PD and the relationship between the time interval of consecutive PD pulses and the step propagation length.
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页码：793 / 796
页数：4
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