High Voltage Insulating Material Life under Partial Discharge Degradation

被引：0

作者：

Okamoto, Tatsuki ^{[1
]}

Yashima, Masafumi ^{[1
]}

Nagao, Masayuki ^{[2
]}

机构：

[1] Tohoku Univ, Dept Elect Engn, Sendai, Miyagi, Japan

[2] Toyohashi Univ Technol, Ctr Int Educ, Toyohashi, Aichi, Japan

来源：

TENCON 2017 - 2017 IEEE REGION 10 CONFERENCE | 2017年

关键词：

partial discharge; insulation degradation diagnosis; applied voltage frequency; SHAPED MICRO-DEFECTS; EPOXY INSULATOR;

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：

This paper describes the frequency dependence of the partial discharge characteristics in a needle-plate electrode system under sine wave applied voltage 50 Hz to 10 kHz. We measured the pulse occurrence frequency and the maximum discharge charge magnitude and phi-n distribution and pulse mean phi-q distribution for the needle electrode with tip radius 30 pm and 300 pm at sine wave applied voltage of 1.25 kV and 2 kV at peak voltage. We found that the frequency dependences of the partial discharge characteristics are very similar to each other at this wide range of applied voltage frequency. This means the frequency acceleration may be applied to partial discharge degradation test.

引用

页码：1690 / 1695

页数：6

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