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1)  overhead transmission network
架空输电网
2)  transmission conductor
架空输电线
1.
The vertical, steady-state, monofrequent aero-vibration of a single 1000kV UHV transmission conductor with a Stockbridge-type damper attached was researched by the finite element method (FEM) differing from the traditional energy balance method (EBM).
为了分析安装防振锤的1000kV特高压架空输电线路的微风振动强度,研究了利用有别于传统能量平衡法(EBM)的有限元方法(FEM)分析微风振动的关键技术。
2.
Differing from the traditional energy balance method(EBM)the finite element method(FEM)is adopted to analyze the aero-vibration of 1000kV UHV transmission conductors.
对于1000kV特高压架空输电线路,有别于传统的能量平衡法(EBM),研究了利用有限元方法(FEM)分析微风振动的关键技术。
3)  overhead transmission line
架空输电线
1.
After establishing mechanical models of overhead transmission line and damper interactions,formula for damper power consumption calculation can be derived,with consideration of installed clamper position,transmission Line tension and anti-bending rigidity based on principles of vibratory wave transmission and damper mechanical impedance.
在建立架空输电线与防振锤互相作用的力学模型后,基于振动波的传播原理和防振锤的机械阻抗,推导出能够考虑防振锤安装位置、输电线张力和输电线抗弯刚度的防振锤耗能功率计算公式。
4)  overhead transmission lines
架空输电线
1.
Wave parameter measuring method for overhead transmission lines based on DSP processor;
基于DSP处理器的架空输电线波参数测试方法
2.
The principle and method for the measurement of both the zero and positive sequence parameters of the overhead transmission lines under the conditions of open circuit and short circuit at the end terminal are also given.
提出了在架空输电线终端开路和短路的条件下,应用起端电压相量和电流相量,确定架空输电线零序波参数和正序波参数的原理和方法,通过在实际线路上的测试实验表明,该方法有效。
5)  aerial conductor
架空输电线
1.
Database Management System of Aerial Conductor;
架空输电线数据库管理系统
2.
Dampers are widely used in aerial conductors to reduce the severity of aeolian vibration and the accompanying fatigue damage to conductor strands and fittings.
防振锤被广泛用于架空输电线以耗散微风振动的能量 ,减轻微风振动的强度 ,保护架空输电线免受疲劳损害。
6)  over-head transmission line
架空输电线
1.
The breeze vibrations on over-head transmission line was one of the major harmfulness about the vibration on transmission line, which threat the safety of the transmission line seriously, and more and more professional and technical workers began to study on it.
微风振动是架空输电线路主要的风振危害之一,对输电工程的安全造成严重威胁,所以越来越引起广大专业技术工作者的重视。
补充资料:架空输电线路
架空输电线路
overhead line

   用绝缘子将输电导线固定在直立于地面的杆塔上以传输电能的输电线路。它由导线、架空地线  、绝缘子串  、杆塔、接地装置等组成。导线由导电良好的金属制成,有足够粗的截面(以保持适当的通流密度)和较大曲率半径(以减小电晕放电)。超高压输电则多采用分裂导线。架空地线(又称避雷线 )设置于输电导线的上方 ,用于保护线路免遭雷击。重要的输电线路通常用两根架空地线。绝缘子串由单个悬式(或棒式)绝缘子串接而成,需满足绝缘强度和机械强度的要求。每串绝缘子个数由输电电压等级决定。杆塔多由钢材或钢筋混凝土制成,是架空输电线路的主要支撑结构。架空输电线路在设计时要考虑它受到的气温变化、强风暴侵袭、雷闪、雨淋、结冰、洪水、湿雾等各种自然条件的影响,还要考虑电磁环境干扰问题。架空输电线路所经路径还要有足够的地面宽度和净空走廊。
   
   

高压输电线路杆塔

高压输电线路杆塔


   
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