电力系统的污闪问题及防护

Pollution Flashover Problems of Electric Power System and Preventive Measures against Them

重点介绍了有关防污闪机理,深入研究并探讨了四种防污闪的常用技术和方法,分析了绝缘子从积污、湿润到闪络的详细过程,并通过附盐密度法绘制了盐密与闪络电压的关系,为防污闪工作提供理论指导。

The article puts emphasis on the introduction of the mechanism of pollution flashover. Four commonly used techniques and methods for preventing the pollution flashover are studied and discussed and how dirt collects, getsmoist and then results in flashover of an insulator is analyzed in detail. Based on salt density method, the relationship between salt density and flashover voltage is drawn, which provides theoretical guidance pollution flashover prevention.