There is an important practical meaning to study the law of mining deformation of high voltage transmission pole and tower.
高压输电线路下压煤是许多矿区一种普遍存在的问题,研究高压输电线路杆塔采动变形规律具有重大的现实意义。
Reducing the ground resistance of pole and tower is the major measure to improve the lightning impulse withstand level and to reduce lightning trip-out rate of transmission line.
降低杆塔接地电阻是提高线路耐雷水平、减少线路雷击跳闸率的主要措施。
Simulation of Overvoltage and Flashover Caused by Lightning Stroke at Towers of HVDC Transmission Line;
雷击高压直流线路杆塔时的过电压和闪络仿真研究
The Development of the Largest Tower Testing Station in China;
中国输电线路杆塔试验站
Based on the in-depth causal investigation into the icing disaster,multiple factors collapsing the iced transmission line supports are expounded,and the reasons for the extensive collapse of supports in north Guangdong,China in early 2008 are detailedly analyzed and calculated.
深入探讨了凝冻灾害的成因,阐述了凝冻灾害下导致输电线路杆塔倒塌的多方面因素,对2008年初粤北地区出现的大面积输电线路倒塔事故的成因进行了详细、深入的分析和计算,指出坪石地区110kV坪江线、坪塘线、坪牵线、江塘线、江牵线倒塔的主要原因是杆塔转角过多和角度过大。
With the help of Electromagnetic Transient Program(EMTP),three 1000kV tower models that is lumped inductance model,single.
杆塔的准确模拟对特高压变电站反击侵入波幅值影响很大,为使其模拟计算结果更准确,建立了集中电感、单波阻抗和多波阻抗3种1000kV杆塔模型;针对1000kV变电站不同的运行方式,计算分析了雷电反击侵入波。
There are many factors affecting the lightning intruding over-voltage in substation, except impulse corona and the tower model, the mode and length of GIS outgoing line are also the factors.
为使模拟计算结果更接近实际,需要研究雷电侵入波过电压计算模型的误差及影响因素,基于输电线路的伏库特性,用简单的电路模型模拟输电线路电晕特性,建立了集中电感、单波阻和多波阻3种杆塔模型;研究了电晕效应对雷电过电压及杆塔模型对变电站雷电侵入波过电压计算结果的影响。
In order to make calculation of the lightning protection on ultra high voltage (UHV) line, a new tower model, namely multi-wave impedance model was constructed.
为了超高压输电线路防雷计算的需要,建立了新的杆塔模型,即多波阻抗模型。
Structural Design of Loading Towers for UHV Transmission Tower Test Base
特高压杆塔试验基地加荷塔结构设计
The Research of Potential Characteristics of EHV Transmission Line Towers
超高压线路杆塔的塔顶电位特性的研究
Study on the Attachment Mode of Fixed Tower Crane at UHV Transmission Tower Test Base
特高压杆塔试验基地塔吊附着方式研究
Structural Optimization Study of Compact 750 kV Double-and Single-Towers
750kV同塔双回及单回紧凑型杆塔结构优化研究
Research on Reducing Tower Ground Resistance of Yamaiwa Region by Using Tower Foundation;
山岩地区利用杆塔基础降低杆塔接地电阻的方法研究
Study of Optimized Method for the Parameters of Embraced Bar on a Whole Stand Bar Tower of Double Point Hoisting
两点吊整立杆塔抱杆参数优化方案研究
Study and Test on Application of Non-equilateral Angle Steel for Transmission Towers
不等边角钢用于输电杆塔的试验研究
Research on the Thermosyphon Foundation of High-Voltage Transmission Tower in Permafrost Region;
高寒地区高压输电杆塔热桩基础研究
The Research of Transmission Line Tower Grounding Resistance Measurement Method;
输电线路杆塔接地电阻测量方法研究
Calculation on Shielding Failure Trip-out Rate of 500 kV Transmission Lines with High Tower
500kV高杆塔输电线路绕击跳闸率计算
Discussion on a Question about Measuring Earth Resistance of Tower
对一个测量杆塔接地电阻问题的探究
Study on Test Ability of UHV Transmission Tower Test Base
特高压杆塔试验基地试验能力的研究
Disscussion for Methods of Strengthening or Rebuilding for Tower Foundations
输电线路杆塔基础改造处理方法探讨
Influence of Lightning Strike to UHV AC Double-circuit Tower on Oil or Gas Pipelines
雷击特高压交流同塔双回杆塔对油气管道的影响
Foundation Selection for Compact 750 kV Double-Circuit Transpose Towers
750kV同塔双回紧凑型输电线路杆塔基础的选型研究
Study on Rapid Modeling of Dynamic Characteristic Analysis for EHV Transmission Towers
特高压输电杆塔动力特性分析快速建模研究
Integral Lift-up Method of Steel Mast in Sichuan TV Tower;
四川广播电视塔钢桅杆整体顶升技术
Design of Communication Tower Based on Finite Element Method and Its Stress Analysis;
通信铁塔有限元设计及杆件应力分析