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Natural Contamination of Pearl River Delta Region Overhead Transmission Line Insulators
Author(s): 
Pages: 2662-2667
Year: Issue:  11
Journal: High Voltage Engineering

Keyword:  架空输电线路绝缘子伞形自然积污等值附盐密度附灰密度;
Abstract: 绝缘子自然积污特性研究对架空输电线路的外绝缘配置具有重要意义.在一条架空输电线路上安装不同伞形、材质的绝缘子串,测量绝缘子的等值附盐密度(ESDD)和附灰密度(NSDD),分析比较绝缘子自然积污受各种因素的影响程度.研究表明:降雨、风速对绝缘子表面积污有很大影响;绝缘子带电积污量远大于不带电积污量;外伞形绝缘子自洁性能较好,钟罩形次之,深棱形最差;结构高度高的绝缘子,自然积污相对较低;相同条件下,...
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