Comparison of parametric Partial Discharge and Dissipation Factor Characteristics of MV PILC Cables

被引：0

作者：

Mladenovic, I. ^{[1
]}

Weindl, Ch. ^{[1
]}

Freitag, Ch. ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Inst Elect Power Syst, D-91054 Erlangen, Germany

来源：

CONFERENCE RECORD OF THE 2012 IEEE INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATION (ISEI) | 2012年

关键词：

cable; ageing; diagnostic; dissipation factor; partial discharge;

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：

Within a long-lasting project, differently pre-aged, as well as brand new medium voltage (MV) paper insulated lead covered cables (PILC) have been artificially aged. Hereby, the dissipation factor and the partial discharges (PD) have been regularly monitored over the complete lifetime of the accelerated aged samples. Additionally, measurement cycles with varied temperatures and voltages have been accomplished in regular time intervals. All measurements were carried out with the network frequency of 50 Hz. In this paper, the results of parametrical studies over a set of predefined voltages (0.4.times nominal voltage up to 2.2.times) and cable temperatures (15 degrees C to 85 degrees C), accomplished under defined and monitored environmental conditions, will be presented and discussed. Additionally, possible correlations of the PD activity and its intensity on the functional characteristic of tan(delta) will be analyzed by the use of three-dimensional parametrical comparison studies.

引用

页码：319 / 322

页数：4

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