Relation between the Trend of Partial Discharges and Aging Models under AC Voltage

被引：0

作者：

Wang, Le ^{[1
]}

Testa, Luigi ^{[1
]}

Cavallini, Andrea ^{[1
]}

Montanari, Gian Carlo ^{[1
]}

机构：

[1] Univ Bologna, DIE LIMAT, I-40136 Bologna, Italy

来源：

ICPADM 2009: PROCEEDINGS OF THE 9TH INTERNATIONAL CONFERENCE ON PROPERTIES AND APPLICATIONS OF DIELECTRIC MATERIALS, VOLS 1-3 | 2009年

关键词：

aging model; partial discharge; damage growth rate; POLYETHYLENE-BASED MATERIALS; MICROVOIDS; INCEPTION; GROWTH; DAMAGE;

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 research work reported in this paper has the aim to contribute in the development of a new physical aging model for damage inception and growth from micro-cavities in polymeric insulating materials subjected to partial discharges (PD) under AC voltage. Aging tests were performed on polyethylene (PE) layered specimens with cylindrical micro-cavities. The PD activity taking place inside the micro-cavities was monitored during the aging process. PD patterns, discharge repetition rates and discharge amplitudes were recorded. Common features can be extracted in the changing trend of PD repetition rate and discharge amplitude. Furthermore, damage growth rate, as well as degradation severity, are inferred through simple statistics.

引用

页码：268 / 271

页数：4

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