flashover

Most lighting along the railway may cause insulator flashover in catenary.

沿铁道线路的雷云放电,大部分雷击都有可能引起接触网绝缘子闪络.

Polluted insulators may flashover at any time under disadvantage weather conditions.

在恶劣的自然环境下,积污绝缘子随时可能发生闪络.

This paper summarizes the relevant research of surface flashover switch.

笔者综述了脉冲功率中应用的沿面闪络开关的研究成果.

Before flashover occurs, a person in a burning room may crawl to safety along the floor.

闪燃发生前, 着火房间里的人可沿着地板爬行到安全地带.

Silicone material has been widely used in power system to prevent pollution flashover of outdoor insulation.

目前,有机硅材料广泛应用于电力系统外绝缘,用于防止污闪事故的发生.

The critical flashover current reduces with the decrease of air pressure.

临界闪络电流随着气压的降低明显减小.

It was proved that this device can predict the occurrence of flashover successfully.

现场运行的结果表明,系统能有效地预知污闪的发生.

This paper expounds the mechanism of insulators contamination flashover and the principle of leakage current monitor.

阐述了绝缘子污闪机理及泄漏电流监测原理.

Insulator should withstand power frequency voltage, switchingvoltage and lightning impulse voltage, shouldn't flashover under pollution.

绝缘子运行中要能够承受工频电压、操作过电压 、 雷电过电压的作用, 并在污秽条件下不发生闪络.

By physical observation , flashover in building fires is a suggestive of a catastrophe process.

建筑火灾中轰燃现象是一种典型的突变过程.

For the insulator investigated the 50 % flashover voltage is reduced by 23.4 %.

实验表明表面电荷积聚使得绝缘子沿面闪络电压的降低竟然达到23.4%.

Pollution flashover performance is one of the key issues of external insulation selection of transmission lines.

污秽闪络特性是输电线路外绝缘选择的重要依据之一.

All results will improve the understanding on discharge atmospheric icing and prevent the further flashover occurrence.

研究结果将会提升对覆冰绝缘子放电的理解,并有助于防止闪络情况的发生.

But Emmons observed that at flashover, the hot smoky layer instantly drops down.

但埃蒙斯观察到发生闪燃时, 热烟层瞬即下落.

Experimental results shows that the polarity of surface charges a great influence on impulse flashover voltages.

实验结果表明,绝缘子表面电荷极性对冲击电压下的闪络电压有极大的影响.