探讨模型水轮机试验中微机自动测量及数据自动处理问题。
The automatic acquisition and processing system using a microcomputer in model hydro-turbine tests is studied.
本文介绍模型水轮机效率试验中使用单板微型计算机的一种新方法。
This paper presents a new method for the efficiency test of model water turbine with the help of a single board microcomputer.
针对混流式模型水轮机研发中有关降低高部分负荷压力脉动的方法进行了探讨。
This paper discusses the methods of reducing pressure pulsation in high load zone of Francis turbine models.
由于原型与模型水轮机效率换算的复杂性,尽管已提出许多计算式,但至今仍未有一个被一致确认的统一公式。
For the complexity of efficiency conversion of prototype and model hydraulic turbines many calculation formula are put forward but there is not universal formula.
采用数值分析与模型实验相结合的方法,对水轮机导水部件双列环列叶栅流场进行了分析研究。
The flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.
将该模型应用于水轮机调节系统仿真,能快速准确地得到系统及机组内部各参数的变化规律。
Applying the model in the simulation of Hydraulic turbine Governing system, the change rules of both the system and the turbine's internal parameters can be found rapidly and accurately.
本文目的就是要建立一套适合于水轮机转轮叶片刚强度与振动的分析模型和计算方法。
This thesis aims at developing a model and calculation method of rigidity, strength and vibration of the blade .
本文叙述了水轮机被控系统的主要特征,以及其数学模型的建立。
The paper described the lending features of the turbines controlled system, and established its mathematics model.
隔河岩水轮机模型试验1991年在加拿大魁北克拉辛市进行。
The water turbine model test for Geheyan Project was performed in 1991, in Lachine, Quebee, Canada.
简要介绍了飞来峡水电站水轮机的模型验收试验的情况及结果。
This paper presents the turbine model acceptance test and the test results of Feilaixia hydropower station.
介绍大源渡水电站采用的贯流式水轮机是根据模型和真机试验的结果确定采用的。
It is introduced that the tubular turbine was determined to be adopted in Dayuandu Hydropower Station through model test and real test.
运用有调压室的水轮机调节系统数学模型,引入无量纲参数,详细分析了调压室断面积对调节系统稳定域的影响。
The effect of sectional area of surge tank on stability of turbine regulation system has been analyzed by using the mathematic model of the non dimensional parameters of the whole system.
提出了利用径向基函数神经网络进行水轮机综合特性曲线数据处理的方法,建立了相应的数学模型和约束条件。
The method for data processing of synthetic characteristics curve of hydraulic turbine is proposed, the corresponding mathematical model and the condition of constraint is established.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design.
目击模型试验的目的是验证水轮机性能是否满足合同的要求。
The purpose of the witness model test was to confirm that the turbine performance is to meet the contractual requirements.
在数学模型中计入水轮机,发电机,负荷特性,调速器参数以及水力系统的特性。
The characteristics of turbine, generator and load, governor parameters and hydraulic characteristics sre considered in mathematic model.
本文建立了水轮机引水部件多目标水力优化的数学模型,并进行了计算机数字仿真。
The mathematical model is established for the multi-objective hydraulic optimizations of the diversion components of hydraulic turbines, and the computer simulation is carried out.
模型的建立和网格的粗细直接影响着水轮机数值模拟的结果和对硬件资源的需求。
The results of numerical simulation and the demand of hardware resources are directly affected by the model and grids.
本文根据潘家口电站模型验收实验资料归纳出可逆式水泵-水轮机的压力脉动特性。
By analyzing the data taken from the model accept test on a reversible pump-turbine, a series of cases of pressure pulsation on turbine, pump, brake and reverse pump performances has been carried out.
水轮机调速系统是典型的具有非最小相位、非线性、时变特性的复杂控制系统,难以建立精确的数学模型。
To the question of the hydraulic turbine regulating system, this paper discusses fuzzy neural network control (FNNC) based on the character of fuzzy logic and neural network theory.
文章就龙滩水轮机转轮的水力设计、模型试验、转轮结构设计、转轮工地制造及转轮的最终验收,进行评述并提出一些建议。
The thesis comments on the hydraulic design, the model test, the runner structure design, the runner field fabrication and the acceptance check. Some proposals are put forward also.
根据电站参数设计出性能优良的模型转轮是水轮机水力设计的关键。
Designing the satisfactory model runner according to the parameters of the power station is the key in hydraulic design.
采用多级模态综合技术并利用结构旋转对称的特点,建立包括转动部件和固定部件在内的水轮机整机系统动力特性分析模型。
A model for dynamic analysis on a whole hydroelectric machine system was studied by multiple step mode synthesis technique, which consists of rotary and fixed components.
水轮机模型在转轮的下面安装一透明玻璃段以便直接观察和闪频摄影。
The turbine models are fitted under the runner with a perspex band for visualisations, view-shots and video records.
将各种按动量定理工作的冲击式水轮机作为研究对象,构建其基本原理模型,严谨地推导出原理模型基本方程及其数值解。
The basic principle model was established on the various impulse turbines. The basic principle formulas, the formulas of kinetic energy and direction of outflow were deduced strictly.
为狮子滩电厂水轮机增容改造研制和设计的模型转轮及模型机的主要参数分析与设计思路和试验研究结果。
The main parameters of model runner and model machine designed and developed for turbines transformation at Shizitan Power plant are analyzed. Design Considerations and test results are presented.
以具有上下游调压井的典型复杂水力系统为对象,建立了用于电力系统暂态稳定分析的水轮机和输水系统不同形式的数学模型。
Based on typical complex hydraulic system with upper and lower surge tanks, different models of hydro-turbine and conduit system used in power system transient stability analysis are presented.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
The shedding frequency computation model built in this paper can be used to predict the shedding frequency of the Karman vortices for designing hydraulic turbines.
建立了水电站厂内自动发电控制的数学模型,提出一种针对多喷嘴水斗式水轮机组的自动发电控制模型求解方法。
A mathematical model of automatic generation control for hydroelectric station is established, and a solution method to AGC mathematical model on multi-nozzle scoop-type turbines is proposed.
建立了水电站厂内自动发电控制的数学模型,提出一种针对多喷嘴水斗式水轮机组的自动发电控制模型求解方法。
A mathematical model of automatic generation control for hydroelectric station is established, and a solution method to AGC mathematical model on multi-nozzle scoop-type turbines is proposed.
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