查询词典 flashover

Traditional impaction contact, metalized contact and embedding contact, on the flashover performance and dispersion have been investigated with finger electrode system.

研究了指形电极系统中压接、溅射和埋入三种电极与试样的接触方式对闪络电压幅值和分散性的影响规律。

The results of simulation studies indicate that setting of earth-fault distance protection on sectionalized groundwire with gap should be calculated on all the gaps disruptive flashover.

在此基础上，提出了接地距离保护在地线分段带间隙的线路上宜按所有间隙都击穿情况下的阻抗参数进行整定的建议。

Finally, the temperature field variations of two kinds of frame structures with the height and the time are calculated, in which the time step, the frill calculation time, the fire growth coefficient t and the fire decay coefficient t are selected respectively as 1s, 50min, l50s and 600s, and the fire experiences all the fire period including the growth, the flashover, the full development and the decay stages.

随后，取时间步长为1s，计算时间为50min，分别计算了两种围护结构内部温度场随时间和位置的变化规律。计算时，火灾增长时间t为150s，衰减时间t为600s，所选取的火灾为经历了生长阶段、轰然阶段、充分发展阶段和衰减阶段的全过程燃烧。

It is put forward that the icing stress product, defined as the product of the ice-layer conductivity and the ice layer weight per centimeter of dry arc distance can be taken as a characteristic parameter to indicate the effect of ice accretions and contaminants on the flashover voltage.

例3：本文分析了覆冰XP-70绝缘子长串的交流闪络特性，并提出覆冰水电导率r20 (换算到20 ℃时的值)与覆冰量w(每片绝缘子上的平均覆冰量)的积δ0可作为表征覆冰和污秽对绝缘子串最低闪络电压影响的特征量。

The experimental results indicate that the nylon clapboards of the pulse forming line have no flashover along the surfaces at 3.6 MV.

实验结果表明：在3.6MV脉冲电压作用下，脉冲形成线的前后尼龙隔板未出现表面闪络等绝缘问题。

All of these show that high voltage insulator pollution flashover is a serious threat to the safety and the reliability of the electric power net.

因此，研究高压输电线路绝缘子污秽在线监测技术，对提高输电线路的安全可靠性具有重要意义。

Thus, it is put forward that in the research on pollution flashover voltage in high altitude environment, the influence of atmospheric pressure should be considered, while the influence of temperature cannot be neglected.

因此，文章提出研究高海拔条件下的污闪电压不仅应考虑气压的影响，而且不能忽视温度的影响。

Based on above test results and theoretical analyses, this paper put forward both a calculation expression for correcting insulators flashover voltage and a method for choosing insulator in the complex atmospheric environment.

基于上面的试验结果和理论分析，本文最后提出了复杂环境中绝缘子的选择方法及绝缘子直流闪络电压的校正公式。

Present situation and influence of insulator insulation form on its pollution flashover voltage.

直流电压下绝缘子的自然积污特性与绝缘子交直流积污比。

Based on the test results, the relation between the flashover voltage of the ice column and the freezing-water conductivity or the air pressure was presented.

根据试验结果，文中给出了冰柱闪络电压与覆冰水电导率和气压的关系。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。