This paper introduces the economic type selecting method for sectional area of power cable according to economic current, and analyzes how to cany out the selection of economic current and economic section and related problems through specific examples.
文章分析介绍了按经济电流选择电力电缆截面的经济选型方法,并通过具体实例分析,对经济电流和经济截面如何进行选择及相关问题进行了分析。
The ever-increasing copper price in the past several years has led to a significant increase of the cost of copper cables,and the economic section has hence decreased.
在过去几年中,铜价上升的幅度很大,导致铜芯电缆成本成倍增长,经济截面有减小的趋势,因此以前确定的经济截面是否仍满足载流量要求有待验证。
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。
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。
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。
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
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。
Choosing Cross-Section of Cable According to Economic Current Density and Economic Cross-Section
基于经济电流密度和经济截面的电缆截面设计
A Comparative Study of Financial Development and Economic Growth in China and India;
中印两国金融发展与经济增长——基于1982-2006年的截面数据比较
Impact of Financial Transfer Payment on the County's Economy--Empirical Analysis Based on Cross-Section Data of Anhui Province
财政转移支付对县域经济的影响——基于安徽省截面数据的实证分析
Analysis and Study on the Environment and Economy Benefit of Intercepting Ratio in Intercepted Combined Trunk Sewer;
截流干管截流倍数的环境与经济效益分析研究
Economic trends are running counter to the forecasts.
经济发展趋势与预测的结果截然相反.
The Effect of the Farmers Income on Economic Politicy of City Tendenty--Empirical Analysis based on Section Data in Henan Province;
城市倾向经济政策对农民收入的影响——基于河南省县域截面数据的实证分析
The Relation between Economic Growth and the National and Local Fiscal Expenditure Scales: an Analysis Based on Time Series and Cross Section Data;
国家财政和地方财政支出规模与经济增长关系——基于时间序列和模截面数据的分析
The current US downturn could not be more different.
目前美国的经济低迷与当时的情况截然不同。
perpendicular cut
(与轴成)垂直(截面)截割
Probing into classical theory of yarn cross-section shape of plain woven fabric and its generization
平纹织物纱线截面形态经典理论探析及其泛化
area of blade sectio
叶片截面面积桨叶截面面积
sampling cross-section [station]
取样横截面[部位]
Plans, elevations and sections
平面图、正面图及截面图
A Review of China s Economical Law Study;
直面经济和社会发展中的经济法问题
Sino-Burmese Political and Economic Relations: Strategic and Economic Dimensions;
中缅政治经济关系:战略与经济的层面
Intellectual Economy: Surpassing Roundly Industrialized Economy;
知识经济:对工业化经济的全面超越
Economic Evolution and Employment Elasticity Estimating;
经济演进与就业弹性测算——基于变截距模型的分析
uniform cantilever beam
等截面悬臂梁，等截面外伸梁