High efficiency voltage stabilizers for XLPE cable insulation

被引：43
|
作者：
Englund, V. [1 ]
Huuva, R. [2 ]
Gubanski, S. M. [2 ]
Hjertberg, T. [1 ]
机构：
[1] Chalmers, Dept Biol & Chem Engn, SE-41296 Gothenburg, Sweden
[2] Chalmers, Dept Mat & Mfg Technol, SE-41296 Gothenburg, Sweden
来源：
POLYMER DEGRADATION AND STABILITY | 2009年 / 94卷 / 05期
关键词：
Polyethylene; Electrical degradation; XLPE; Voltage stabilizer; Electrical treeing; STRESS;
D O I：
10.1016/j.polymdegradstab.2009.01.020
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A set of new voltage stabilizers has been synthesized, tested and has shown to suppress a degradation mechanism, i.e. electrical treeing, present in cross-linked polyethylene used for high-voltage cables. Electrical treeing is seen at very high and divergent electrical fields and has a rapid lapse from initiation to total breakdown of the insulation material. The new voltage stabilizers presented in this paper have increased the electrical tree inception field with up to 50% at such low additions as 0.4%-wt. Furthermore, the best-performing materials have also proven to increase the threshold level for tree inception, i.e. before this level no deterioration of the material is seen, up to 50%. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：823 / 833
页数：11
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