ON THE CHARACTER OF DIFFERENT FORMS OF PARTIAL DISCHARGE AND THEIR RELATED TERMINOLOGIES

被引:70
作者
BARTNIKAS, R
NOVAK, JP
机构
[1] Institut de recherche d'Hydro-Québec, Varennes, Québec
来源
IEEE TRANSACTIONS ON ELECTRICAL INSULATION | 1993年 / 28卷 / 06期
关键词
D O I
10.1109/14.249369
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
Experimentally obtained partial discharge pulse forms have been compared with those derived theoretically, using a mathematical model of a short gap. The calculations indicate that with overvolted short gaps, the apparent absence of the protracted ion current tail in the overall pulse form is due to the large excess of the electron current component generated by strongly enhanced cathode emission by the photoeffect and other phenomena. Under conditions of high overvoltage the ion impact induced emission, the ion fluxes and, consequently, the ion current component are greatly reduced as compared to the electron current and the long ion current tail, representing not more than a few percent of the total current, passes undetected. Pulseless and pseudoglow discharges are also considered and preferred terms to designate the different forms of partial discharges are suggested.
引用
收藏
页码:956 / 968
页数:13
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