直流系统用复合绝缘子人工污秽试验方法研究  

Experimental Method Research of Artificial Pollution Tests on Composite Insulators Used in DC Systems

作　　者：周敏刚[1] 张弦[1] 王春杰[1] 李博[1] 陈楠[1] 孙鹏 

机构地区：[1]西安高压电器研究院有限责任公司,西安710077 [2]西安西电高压套管有限责任公司,陕西咸阳712044

出　　处：《电瓷避雷器》2016年第4期27-30,37,共5页Insulators and Surge Arresters

摘　　要：直流系统用复合绝缘子性能的好坏是决定系统可靠性的关键因素之一,户外绝缘子性能降低的重要原因是绝缘子表面的污秽。针对直流系统用复合绝缘子的特性差异,设计了一系列试验,分别从润湿时间、施加电压极性、预加电压、盐密等方面探索引起试验结果差异的关键因素,并对今后的研究方向提出了建议,为复合绝缘子直流人工污秽试验程序标准化提供了参考。The performance of composite insulators used in DC system is one of the key factors to determine the reliability of the grid. Performance reduction of outdoor insulator is mainly caused by the sediments on the surface of the insulator, so artificial pollution test for composite insulator is of great significance to the safety of the power grid. The authors present a series of tests aiming at the characteristics of composite insulators for DC system. The main influence factors of the pretreatment time, salt density and the voltage polarity applied are investigated by experiments. The results can provide a reference for the DC artificial pollution test procedure of composite insulators.

关 键 词：直流系统 复合绝缘子 人工污秽 试验方法 

分 类 号：TM216[一般工业技术—材料科学与工程]