污秽闪络特性是输电线路外绝缘选择的重要依据之一。
Pollution flashover performance is one of the key issues of external insulation selection of transmission lines.
介绍了高压电力设备外绝缘发生污秽闪络的过程和特点。
The process and feature of flashover of hv power appliance under pollution is described.
脉冲和放电量统计表明本文方法更符合实际，研究污秽闪络机理更有效。
According to the statistic of impulses and amount of discharge, it indicates the method put forward by this paper is more effective way to study the mechanism of pollution flashover.
针对高压绝缘子污秽闪络的巨大危害，采用自由软件设计了绝缘子污秽在线监测系统。
In view of the huge damage of high voltage insulator contamination flashover, an on-line monitoring and measurement system of insulator contamination based on free software is designed.
对决定电网绝缘子的清扫周期，有效防止电网大面积污秽闪络事故的发生有明显的作用。
It is evident that the instrument can be applied to determine the time period for cleaning the insulators and to prevent the power network from the accident caused by dirt sparks in a large area.
绝缘子污秽闪络事故严重威胁电力系统的安全可靠运行，目前国内外对污闪机理的研究主要以平板模型为基础。
Pollution flashover accident of insulators may threaten the operation safety of power system, whereas, the research on pollution flashover circuit model is based on the plate model by now.
合成绝缘子具有很好的防污闪特性，但也会发生污秽闪络，这与常规的人工污秽试验仅考虑盐密的影响不无关系。
The polluted flashover voltages of insulators reduce with the increase of salt density or dust density, and both the influences of salt density and dust.
污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低，随雾水电导率的增加而降低。
The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低，随雾水电导率的增加而降低。
The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
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