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   水轮机更换 的翻译结果: 查询用时:0.166秒
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水轮机更换
相关语句
  replacement of the water turbine
     Although the study was a special case , the approaches and means were common,Because of the modification and the replacement of the water turbine, the effects to thestructure and the fluid were roundly analyzed by building up the physical、FEM andfluid model.
     所研究的虽然是个案,但是研究的方法和手段具有普遍性和共性。 通过建立青铜峡水电站的整体结构试验模型、有限元计算模型、水流数值模拟计算模型,全面分析了尾水管中墩改造和水轮机更换对电站结构和水流带来的影响。
短句来源
  “水轮机更换”译为未确定词的双语例句
     Some problems on the replacment of runner chamber for small and middle size Kaplan turbine
     中小型轴流式水轮机更换转轮室时应注意的问题
短句来源
     Research on Model Runner of Replacing Turbine Runner in Yantan Water Power Station
     岩滩电站水轮机更换转轮模型研究
短句来源
     The static balance test should be made on the ZZ500-LH-1020 turbine after the change of its blade. By reasonably arranging the position of the blades and adding weight equalizer, we can superpose the turbine's gravity center on the rotation centerline of generating unit in order to remove the mass imbalance of the turbine.
     ZZ5 0 0 -LH - 10 2 0水轮机更换叶片后需进行静平衡试验 ,通过合理搭配叶片位置和附加配重 ,使水轮机重心与机组旋转中心线相重合 ,以消除水轮机的质量不平衡。
短句来源
  相似匹配句对
     Renewing the Runner to Increase the Power of Water Turbine
     更换新转轮提高水轮机的出力
短句来源
     Practice of Renewing Wicket Gates for Large or Medium Turbines in Situ
     现场更换水轮机新导叶的实践
短句来源
     Discussion on Replacement of Steam Generator
     浅谈蒸汽发生器的更换
短句来源
     Medium Replacement of Hydraulic System
     液压系统介质更换
短句来源
     Countermeasuers for Turbine Erasion
     水轮机磨蚀对策
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The static balance test should be made on the ZZ500-LH-1020 turbine after the change of its blade. By reasonably arranging the position of the blades and adding weight equalizer, we can superpose the turbine's gravity center on the rotation centerline of generating unit in order to remove the mass imbalance of the turbine. In view of the static balance test alternatives and its optimal measures of the runner of axial-flow Kaplan turbine, we change the individual static balance test of runner into the compound...

The static balance test should be made on the ZZ500-LH-1020 turbine after the change of its blade. By reasonably arranging the position of the blades and adding weight equalizer, we can superpose the turbine's gravity center on the rotation centerline of generating unit in order to remove the mass imbalance of the turbine. In view of the static balance test alternatives and its optimal measures of the runner of axial-flow Kaplan turbine, we change the individual static balance test of runner into the compound test of runner body and linking body. Through the adoption of test techniques such as the calculation of gravity center, the determination of the space of spherical center and gravity center and the check of sensitivity degree, it can ensure that the remained imbalance moment of runner can meet the requirements of specifications.

ZZ5 0 0 -LH - 10 2 0水轮机更换叶片后需进行静平衡试验 ,通过合理搭配叶片位置和附加配重 ,使水轮机重心与机组旋转中心线相重合 ,以消除水轮机的质量不平衡。针对轴流转桨式水轮机转轮的静平衡试验方案及试验的优化措施 ,将转轮个体静平衡试验 ,改进为转轮体与连接体的组合试验 ,通过其重心计算、球心重心距取值、灵敏度校验等的试验工艺过程 ,确保转轮残留不平衡力矩达到规程要求。

In order to improve the efficiency,many large-scale hydropower stations have been put into practice or are (faced) with the problems of replacing the old water turbine.In this paper,by researching into the (idiographic) project and building up the 3-D FEM model of the power house structure,the (vibration-sources) which are affected largely are found.Then the difference of dynamic characteristics is shown and compared between the prophase and anaphase of the technical modification.According to the check of the...

In order to improve the efficiency,many large-scale hydropower stations have been put into practice or are (faced) with the problems of replacing the old water turbine.In this paper,by researching into the (idiographic) project and building up the 3-D FEM model of the power house structure,the (vibration-sources) which are affected largely are found.Then the difference of dynamic characteristics is shown and compared between the prophase and anaphase of the technical modification.According to the check of the structure resonance vibration (between) the prophase and anaphase of the technical modification,it is shown that the replacement of the water (turbine) will bring the changes to the frequency and the scope of the resonance vibration.This problem ought to be noticed during the period of the technical modification.

为了达到提高发电效率的目的,许多大型电站进行了或正面临着更换老机组的技术改造.本文以某工程实例为研究背景,通过建立厂房结构整体三维有限元模型,计算并且分析对比了水电站厂房技术改造前后动力特性上的差异.通过对水电站技改前后各种振源的分析,找出了对其影响较大的振源,从而进一步地对厂房整体结构进行了共振校核比较.研究结果表明,电站水轮机的更换对于厂房的共振频率和范围均有影响,应该引起关注.

 
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