1) busbar section areas
母线截面
1.
Due to low-voltage switchgear assemblies diverse configuration and dimension, busbar arrange mode, component selection, the selection of busbar section areas is different as well as assemblie types and ratings.
对于不同型号及规格的低压开关设备由于其基本结构、母线的排列方式、外形尺寸及其元器件选用的不同,其母线截面选择亦有不同。
2) Section curve
截面线
1.
Application of section curve expanding method in one step forming;
截面线展开法在一步成形中的应用
2.
After that,the original scattered data points were turned into the regular forms with layer structure by constructing point cloud slicing in 3-directions and creating section curve of each point cloud slicing.
通过对点云最小包围盒进行均匀分割及分割后点云的密度分析,对密度过大的分割块进行迭代分割,建立了3个方向的点云切片和截面线。
3) section line
截面线
1.
Application of section line modification method in blank design;
截面线修正法在毛坯设计中的应用
2.
This article proposes one kind of method of section line to reconstruct curve surface of variable intake manifold.
文中提出一种基于截面线的方法重构可变式进气歧管曲面,用截平面数据点拟合一组截面线,在截面线的基础上进行蒙面操作,进而构造出符合点云外形的曲面。
4) method of curves of cross sections
截面线法
1.
The method of curves of cross sections is one of the important and popularly applied ways in generation of tool path in NC machining.
截面线法是数控加工中重要的也是应用较为广泛的一种刀具轨迹的生成方法。
5) 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。
6) 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。
补充资料：均衡母线接线
均衡母线接线
balance-bus scheme
均衡母线接线个发电机一变压器-。黑蓄竺亡尝、整eme，每-，一“~华/‘侧p理迈另一合断改段位到一组公共均衡母线的主接线方式.这种接线是由变压器一线路组接线演变而成，增设了均衡母线，可使各回路间电能均衡分配。也可认为是一个半断路器接线去掉一组母线和一台断路器的简化接线方式。按均衡母线断路器位置，可分为外均衡母线接线(均衡母线断路器接在线路侧)和内均衡母线接线(均衡母线断路器接在变压器侧)，分别见图(a)、(b)。┌───┬─────┬────┐ ├挚¨┐│ 1 │.、 │ │ 、│├蛰-%┐ │ │ │ ││ 、│ ├───┬┼─┐├──┴┼──┘ │.臼.- ││ ││} │ │ 班 ││ ││ │ ├───┘└─┘└───┴─────┘ 均衡母线接线 (a)外均衡母线接线，(b)内均衡母线接线 这两种接线方式的共同优点是:①接线清晰.②布置简单。③运行方便，故障影响范围小，运行可靠性较高，尤其对线路物送功率和发电机容量相当，或者输电线路基本送往同一方向或同一变电所时最为适用。共同缺点是:①灵活性差，均衡母线检修，全部解列成各自单独的发电机一变压器一线路组单元运行.②均衡母线上的断路器故障，除影响本回路变压器一线路组单元停电外，其他单元也将解列运行。 外均衡母线接线的优点是:①主变压器的投人或切除比较方便。②一台主变压器故障只开断一台断路器，不影响线路的运行。缺点是:①出线断路器检修将影响发电机变压器组送电。②线路故障需同时开断两台断路器，并需满足并联开断的要求。 内均衡母线接线的优点是:①线路的投人或切除比较方便。②一回线路发生故障时，仅故障线路的断路器断开，不影响其他回路的运行.缺点是:①一台主变压器故障，同时开断两台断路器，并切除一回线路。②主变压器的投入或切除需同时开断两台断路器，并影响线路的运行。 均衡母线接线一般适用于进出线回路数相同，出线负荷较稳定，且负荷基本与发电机容量相一致，并且电力系统允许按发电机一变压器一线路组单元运行的大中型水电站.当电站利用小时数较低，担负调峰任务，主变压器切合频萦时，一般采用外均衡母线接线。
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