Compute and Analysis of Linear Characteristic of Vibration of the Shafts of the Hydroelectric Machines; Numerical Simulation on Hydrodynamic Performance of Flexible Blade Turbine 水轮发电机组主轴系统线性振动特性计算分析柔性叶片水轮机流体动力特性数值模拟研究
And basically it's very similar to a hydroelectric dam where water just flows through and drives a turbine. 基本上这与水利发电坝的原理很相似,水流入装置并能够发动涡轮机。
The paper Demonstrates that according to the field test and operation experience of a 2-cascade hydroelectric station, theory of stability and operation boundaries is applicable to water turbine regulating system. 经西洱河二级水电站现场试验和运行情况验证,用稳定域和运行域理论分析水轮机调节系统是可行的。
Hydroelectric power house metal spiral case periphery structure is below the hydraulic turbine layer inside the two phases concrete scopes the reinforing steel concrete structure, being a space structure that the wholeness is very strong, his bodily form is complicated. 水电站金属蜗壳外围结构是指水轮机层以下二期砼范围内的钢筋砼结构,是一个整体性很强的空间结构。
WHOLE STRUCTURAL DYNAMIC ANALYSIS OF HYDROELECTRIC PLANT WITH THROUGH-FLOW TURBINE Arrangement of the power house, foundation treatment, structure analysis of power house for tubular turbine unit, design of flood protection during construction and the size of concrete layers and blocks have been introduced in this paper. 贯流式机组水电站厂房整体结构动力分析介绍水电站贯流式机组厂房的布置、基础处理、厂房结构分析、施工期厂房渡汛设计和混凝土分层分块等问题。
With the continual enlarged of dimension and capacity of hydroelectric units in recent years, the problem of vibration and runner cracks caused by turbine hydraulic stability had become more and more salient. 近年来,随着水力机组尺寸和容量的不断增大,由水轮机水力稳定性引起的机组振动和转轮裂纹问题也愈来愈突出。
The purpose of the paper is to establish a hydroelectric turbine dynamic character monitoring system to replace the traditional concentric control technology by advanced field bus, MCU by high performance DSP. 论文旨在采用先进的现场总线技术代替以往的集散控制技术,以高性能的DSP芯片代替单片机,构建水轮机动态特性监控系统。
The paper expounds the key part of the hydroelectric power station simulation system-how to design the simulation system of water turbine actiyator, including the use of system, design principle, design scheme, design method, the optimization and analysis of system. 本文阐述了水电厂运行仿真机中的关键部分&水轮机调速器运行仿真系统的设计问题,包括系统的用途及功能、设计原则、设计方案、设计方法、系统的优化与分析等。
Study on the Three Dimensional Temperature Field of Hydroelectric Generator Stator of Bulb Tubular Turbine 灯泡贯流式水轮发电机定子三维温度场的研究
With the rapid development of hydropower construction in our country, the capacity and dimension of hydroelectric generating unit increase constantly, and the rotational speed increases correspondingly. The vibrating problem of water turbine generator set emerging, which becomes an important problem to be studied. 随着水电站建设的快速发展,机组容量及尺寸急剧增大,转速相应提高,机组振动及其诱发的水电站厂房振动问题日益突出,成为目前研究的热点和难点。
In recent years, along with hydroelectric market exploiting, products from single hydroelectric metallic structure manufacturing develops to hydroelectric metallic structure and embedded parts for turbine manufacturing. 近年来,随着对水电市场的开拓,生产产品从单一的水工金结制作扩展到水工金属结构、水轮机机组埋件及水轮机非核心部件的制造。
Turbine governor is an important part of the hydroelectric turbine control equipment. 水轮机调速器是水电站重要的水轮机控制设备,其稳定可靠运行是电力系统平稳运行的基本保证。
Hydroelectric power plant integrated system model is set up by the Aspen Plus software, and the simulation calculation of steam turbine unit and desalination system performance are carried out. 通过aspenplus软件建立水电联产集成系统模型,模拟计算汽轮机组和海水淡化系统性能,并对其进行性能分析。