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The Cobden turbine was far less complex and far less expensive to manufacture than a typical high speed power generation turbine, but it was also far less efficient.

这种科布登涡轮机在制造方面远不及—般的高速发电涡轮机复杂和昂贵，但是它的效率也差很多。

One example of such a turbine was described by Cobden in U.S. Pat. No. 4,415,306 and Australian Patent No 563265 (hereinafter referred to as the Cobden turbine).

Cobden在美国专利第4415306号和澳大利亚专利第563265号中披露了这种涡轮机的一种示例(下文中称为科布登涡轮机)。

The study shows the neural network model of hydro turbine can describe its nonlinear characteristic really and ensures the continuity of its derivative function, so improved the convergence for hammer calculating and is a better description of hydro turbine hill chart for science research and engineering design.

利用所述方法建立的水轮机特性神经网络模型能真实地表达水轮机的特性，并且解决了插值法的导数不连续问题，从而确保了水击计算的收敛性，为用于工程计算和科学分析的水轮机特性表达开辟了新的途径。并利用所建立的数学模型，开发了基于MATLAB的可视化软件仿真平台。

In order to produce domestic controllers of wind turbine generators, by analyzing corer problems, hardware type-choosing methods and software control processing, a solution to the pitch control algorithm of the MW wind turbine generator controller is proposed, based on the PID control of blade's rotate speed, accelerated speed and pitch angle.

为实现风力发电设备核心控制器国产化，通过分析风力发电机核心控制器所要解决的主要问题、硬件选型方法和软件控制流程，对兆瓦级变桨变速风力发电机组核心控制器提出基于叶轮转速、加速度和角度PID控制的变桨控制算法解决方案。

Analyzed the changing of energy loss in turbine cascade with different backward wedge angles,and achieved the range of the backward wedge angles corresponding of the minimum energy losses on three typical sections in the turbine cascade.

分析了叶栅能量损失系数随不同后楔角的变化，得到了在该涡轮叶栅内对应最小能量损失的3个典型截面上的后楔角的范围。

In this paper, it is mainly a review on the desiccant method aspects to fossil-fire power turbine, analysis of the turbine dehumidification research background, summed up of the status quo and existing problems at this aspect.

本文主要对火电汽轮机的除湿方法的研究方面的内容作了回顾，分析了汽轮机除湿的研究背景，总结了这方面的研究现状和存在的问题。

In this paper, the time constants of turbine-generator set, the adjustment error coefficient of governor and frequency error in power system are studied, mostly including introducing to of the new control performance, building model for interconnection, analysis of characteristics of turbine units and imitation of example.

本文对其中的汽轮发电机组各时间常数、调速器的调差系数以及频率偏差系数对其评价的好坏进行了研究，主要包括新的控制性能标准介绍和互联系统建模、机组特性分析以及算例仿真三个方面。

This paper analyze and study the influence of the superimposition in depth based on the previous achievements and combined with the theoretical qualitative analysis and project instances. The main contents as follow:Chapter 1: Indicate the significance and objective of this paper, review the previous achievements of the transient process and superimposition, and then present the study purpose of this paper.Chapter 2: combined with the physic knowledge of the fluctuation and the superimposition, Indicate the physical essences and the influence of the superimposition phenomena that exist in the diversion pipe system, and take one hydraulic turbine owning only one diversion tunnel and two hydraulic turbines sharing one tailrace conduit for instance to study out the numerical calculation superimpose operations.Chapter 3: From the calculation theory of the parameter of the guaranty calculation of regulation of the hydro-turbine, qualitative analyze the influence of the superimposition on them and the superpose time, combined with some project instances, get the numerical value of the influence of the superimposition and the superpose time.Chapter 4: Based on the previous achievements of the calculation and theoretical analysis of the surge-chamber ground swell, analyze the influence of the superimposition on it and the superpose time.

本文在前人研究成果的基础上，结合理论定性分析及工程实例，对波动叠加带来的影响进行深入分析研究，其主要内容如下：第1章，指出本文研究的意义和目的，回顾前人对水电站过渡过程及波动叠加方面的有关研究成果，在此基础上提出本文的研究内容；第2章，结合物理学中有关振动与波动叠加方面的有关知识，阐述水电站引水发电系统中存在的波动现象的实质及其影响，并以两机一洞和一机一洞具有上游调压室或下游调压室的水电站拟定其数值计算叠加工况；第3章，从机组调保参数的理论出发，定性的分析波动叠加对机组调保参数的不利影响及叠加时间，结合几个工程实例，得到波动叠加带来的影响大小及叠加时间；第4章，在前人对调压室涌浪进行计算和理论分析的基础上，分析波动叠加对调压室涌浪的影响及其叠加时间。

The impact of parallel operation of wind turbines on power flow is analyzed, in which the squirrel cage induction motors are used as the constant speed wind turbine and the double fed induction motors are used as variable speed wind turbine.

分析了以鼠笼感应电机作为发电机的定速风电机组和以双馈感应电机作为发电机的变速风电机组并网运行对系统潮流的影响，并对不同控制模式下使用双馈感应电机的变速风电机组的电压和无功控制特性进行了比较。

The faces of turbine blade s body is complex,in the general CAD platform,fitting spline of intrados and convex based on points of data,creating fillet of leading edge and trailing edge,and achieving the body of turbine blade at last are all complicated processes.

汽轮机叶片叶身型面比较复杂，在通用CAD系统中，根据数据点拟合出内、背弧样条曲线，修进出汽边圆角，最后根据每个截面形状得到叶身实体，都是比较复杂的过程。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。