1) the design of lead cross-section
导线截面设计
2) conductor section
导线截面
1.
In DC transmission line construction design,current national standard of economical current density will under predictcd conductor section,resulting in large loss.
在直流输电线路工程设计中,如果按我国现行标准规定的经济电流密度选择导线截面,将导致截面偏小,损耗增大。
2.
In this paper,the mechanism and characteristics of conductor skin effect with nonlinear loads were deeply analyzed;the impact of skin effect on conductor section selection were studied;the existing problems of conductor section selection were indicated;the new methods and conclusions of conductor section selection with nonlinear loads were presented.
本文深入分析了非线性条件下导线集肤效应产生的机理及其特性,研究了集肤效应对导线截面选取的影响,指出了目前导线截面选取存在的问题,得出了非线性负载条件下导线截面选取新的方法和结论。
3.
Based on design of the first 750 kV line in high altitude area of China as well the overseas requirements of conductor selection and electromagnetic environment, the laws of effect of conductor section and split mode on the electromagnetic environment, mechanical features and project economy of various conductor used in 750 kV single line are introduced.
结合我国第一条高海拔750kV线路的设计,以及国内外导线选型及电磁环境要求,介绍了导线截面及分裂形式对750kV单回线路各种导线的电磁环境、电气特性、机械特性和工程经济性等方面影响的规律,综合考虑技术性和经济性,推荐了750kV输变电示范工程官亭—兰州东线路工程的导线方案。
3) lead section
导线截面
1.
Singling out lead section from a 10kV distribution line of agricultural electricity network;
农网10kV配电线路导线截面的选择
2.
Two selection methods of lead section are compared in the paper,and economic benefits of them are also analyzed,in order to reduce line loss with the same investment in rural power grid alteration.
对两种选择导线截面的方法进行了比较与经济效益分析,以期在农村电网改造中用相同的投资达到最大的降损效果。
4) wire section
导线截面
1.
From the point of view of economic integration of construction investment and electricity saving, and through comparison and analysis of the power energy quality, this method carried out optimal selection for wire sectio
介绍了一种拟用“追加投资回收期法”优选架空电力线路导线截面的方法,该方法从建设投资与节电损耗相结合的综合经济性角度出发,并通过供电电能质量分析比较,文章结合了实际工程的分析计算,对架空电力线路导线的截面的择优选取进行了介绍。
2.
In the course of designing buried power circuit, the main project is the wire section selection Providing that the voltage quality is guaranteed, permitted flow can be checked.
地埋电力线路设计中，主要项目是导线截面的选择，在保证电压质量前提下，再按允许流量校验。
5) cross-section design
截面设计
1.
Practical calculation method for cross-section design of circular steel tube members under axially compressive force;
普通圆钢管轴压构件截面设计的实用计算方法
6) section design
截面设计
1.
According to the stress characteristics and failure mode, the method to determine the axial stress and shear stress distribution was presented, and a cross section design method in accordance with current codes was also given.
将矩形孔梁的破坏模式分为7类,根据其受力特点和破坏模式确定轴力和剪力在上、下弦杆的分配方法,提出符合现行规范的矩形孔梁的截面设计方法,并通过算例进一步计算说明。
2.
The paper inquires into main problems in section design of unbonded prestressed concrete plate,and gives out corresponding designing suggestion.
探讨了无粘结预应力砼平板截面设计中的几个主要问题，提出了相应的设计建议，尤其是无粘结预应力钢筋数量的确定方法，它可统一有效地解决截面承载力，抗裂和裂缝控制等关键问题，可供无粘结预应力砼平板设计时参
3.
In the design process students exist some problems on live load reduction,the role of the earthquake cycle,the natural setting,the representative value of the gravity load calculation load and load effect calculation and the effect of section design concepts.
设计过程中学生对活荷载的折减、计算地震作用时结构自振周期的确定、重力荷载代表值的统计等荷载及荷载效应的计算以及截面设计中一些问题存在概念错误。
补充资料：导线
1.输送电流的金属线﹐多用铜或铝制成。
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