1) lightning shielding failure proof level
绕击耐雷水平
1.
An ATP-EMTP model for analyzing the lightning shielding failure proof levels of UHV transmission lines is presented in this paper.
基于ATP-EMTP建立了考虑电晕影响的UHVAC输电线路的雷电绕击耐雷水平分析模型。
2) lightning resistance abilit
耐雷击水平
3) lightning protection performance of shielding failure
绕击耐雷性能
1.
In order to improve the performance of electric transmission line protecting around hit lightning,this paper focuses on the analysis method of the high voltage transmission line about the lightning protection performance of shielding failure.
为了提高线路绕击耐雷性能,笔者研究了高压输电线路绕击耐雷性能的分析方法,对考虑击距系数K和地面倾角θ后的电气几何模型,以杆塔中心线与大地交点作参考点,推导了最大击距的计算方法,同时探讨了最大击距不存在情形下击距系数K、避雷线保护角α、地面倾角θ的关系问题,论证了可以通过平衡K、α、θ的取值而有效提高线路绕击耐雷性能。
4) lightning withstand level
耐雷水平
1.
On lightning withstand level of composite insulators;
合成绝缘子耐雷水平的探讨
2.
The influence of the line arrester on the lightning withstand level of 35 kV transmission lines was simulated and calculated by electromagnetic transient software ATP-EMTP.
研究了在35 kV输电线路雷电"易击段"绝缘子串上并接线路避雷器来提高线路耐雷水平的方法。
3.
There are two indexes to evaluate the power line performance on preventing lightning strikes: the one is the lightning trip-out rate,the other is the lightning withstand level of the power line.
衡量线路防雷性能优劣的重要指标有两个:一是线路雷击跳闸率;二是线路耐雷水平。
5) lightning protection level
耐雷水平
1.
For the purpose of improving the ability of lightning protection for the high voltage power transmission line,taking account of the facts which influenced the lightning protection level,an assessment model was established and the comprehensive judgement on the lightning protection level was obtained by means of computers.
为了提高高压输电线路的防雷能力,通过对影响线路耐雷水平的各项因素的分析,建立了评价模型。
2.
The formula for the calculation of the lightning protection level of the transmission line is revised by theoretic deduction for the rational determination lightning protection level and lightning trip-out rate of the transmission line.
为了合理设计输电线路的耐雷水平及雷击跳闸率,通过理论推导,修正了现有规程的输电线路耐雷水平计算公式。
6) lightning withstanding level
耐雷水平
1.
To enhance lightning withstanding level of 500 kV transmission line along mountainsides,a novel approach was proposed.
为了提高山区500 kV输电线路耐雷水平,提出了在易遭受绕击的边相安装单支线路悬挂式金属氧化物避雷器、在另外一个边相增加绝缘子片数的不平衡绝缘方法。
2.
According to the specific structure of towers,the lightning withstanding level of 330kV transmission lines with line metal-oxide arrester(MOA)is analyzed.
根据具体的线路杆塔结构 ,采用线路金属氧化物避雷器对 3 3 0 k V线路的耐雷水平进行了计算分析 ;具体比较了安装线路避雷器和未安装避雷器时雷击塔顶及雷击相线的耐雷水平 ;分析了雷电流的波形、接地电阻、档距、避雷器技术条件对输电线路耐电水平的影
3.
The lightning withstanding level of 500 kV Chang-Fang compact designed transmission line can be greatly improved with installed line surge arresters on transmission towers.
500 kV昌房紧凑型线路采用线路避雷器后,能较大地提高线路的耐雷水平。
补充资料:绕殿雷
1.宋代大朝会时,廷下禁卫高声山呼,响声如雷,称为"绕殿雷"。 2.科举时代,进士录取后,皇帝召见,按甲第唱名传呼,称"胪传",亦称"绕殿雷"。 3.琵琶的别名。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条