Performance and ageing of polymeric insulators

被引：55
|
作者：
Sorqvist, T
Vlastos, AE
机构：
[1] Department of High Voltage Engineering, Chalmers University of Technology
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 1997年 / 12卷 / 04期
关键词：
D O I：
10.1109/61.634187
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：
Long-term field experiences of ageing and performance of polymeric silicone rubber (SIR) and ethylene-propylene diene monomer (EPDM) insulators under natural contamination conditions in an outdoor station are presented, The primarily aim of the work is to study the interrelation between surface conditions and the electrical performance of polymeric insulators, In this paper the leakage current statistics, the hydrophobicity and the surface conditions of six SIR and three EPDM commercially available insulators are studied in detail, The surface conditions were studied using electron spectroscopy for chemical analysis (ESCA), attenuated total reflection fourier transform infrared (ATR-FTIR) spectroscopy and scanning electron microscopy (SEM), The results show a strong interrelation between the conditions of the insulator surface, especially the hydrophobicity, and the performance with respect to leakage currents and voltage withstand.
引用
收藏
页码：1657 / 1665
页数：9
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