Comparative Properties of HTV Silicone Rubber for Composite Insulators - ATH and Silica Fillers

被引：21
作者：
Ilhan, S. [1 ]
Tuzun, D. [1 ]
Ozdemir, A. [1 ]
机构：
[1] Istanbul Tech Univ, Dept Elect Engn, TR-34469 Istanbul, Turkey
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2021年 / 28卷 / 02期
关键词：
HTV silicone rubber; ATH filler; silica filler; erosion; leakage current; maximum temperature; inclined-plane test; EROSION RESISTANCE; INORGANIC FILLERS; TRACKING; SUPPRESSION; PARTICLES;
D O I：
10.1109/TDEI.2020.009183
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 presents a comparative evaluation of high temperature vulcanizing (HTV) silicone rubber consisting of ATH and silica fillers for use as the housing of outdoor composite insulators. Various volume filler fractions (vol%) of alumina trihydrate (ATH) and silica (SiO2) and several median particle sizes are incorporated into HTV silicone rubber and evaluated for erosion and tracking resistances using the inclined-plane tracking and erosion tests (IPT), in accordance with IEC 60587 at several AC test voltages. Test durations, eroded masses, erosion depths, and leakage currents are reported. The dry-band arcing temperatures of the various samples are recorded during the tests. The results show that at 30 vol% filler fractions, ATH filled samples show lower erosion than the corresponding silica filled samples; however, at 15 vol% fraction, the silica filled samples show lower erosion. For most tested conditions, the maximum dry-band temperatures of the silica filled samples are lower than the corresponding ATH filled samples.
引用
收藏
页码：414 / 422
页数：9
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