NON-CERAMIC INSULATORS FOR CONTAMINATED ENVIRONMENTS.

被引：0
|
作者：
Cherney, E.A.
Stonkus, D.J.
机构：
来源：
American Society of Mechanical Engineers, Applied Mechanics Division, AMD | 1980年
关键词：
ETHYLENE POLYPROPYLENE RUBBER;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Insulator design, material properties and construction of the weather shed component are discussed in terms of the effects of leakage current and erosion that accompany the deposition of contaminants and moisture. The deterioration of the EPR (Ethylene Polypropylene Rubber) weather shed surfaces after outdoor exposure is of concern as the 60-Hz strength is decreased. The tests also confirm that radial joints formed by individual weather sheds are potential weak points of the insulator. The use of corona rings to alleviate damaging discharges between the metal fittings and the weather shed material is recommended for voltages as low as 230 kV.
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