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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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%.

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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.

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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.

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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.

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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.

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