查询词典 wind turbine

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。

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 experimental results used in this study were obtained in the European SIROCCO project1, which aims at a reduction of wind turbine noise by designing new blades with low trailing edge noise emissions, the project focused on two wind Turbines: an 850 kW GAMESA turbine and a 2.3 MW GE turbine, with rotor diameters of 58 m and 94 m respectively.

实验性结果被使用在这项研究被获得了用欧洲人 SIROCCO project1，瞄准风涡轮噪声减少由设计新刀片以低后缘噪声放射，项目集中于二风涡轮：一个850 千瓦GAMESA 涡轮和一个2.3 兆瓦GE 涡轮，以58 m 和94 m 电动子直径各自。

Although horizontal - axis wind turbine is widely in use abroad , researchers of many countries pay more and more attention to the vertical - axis wind turbine for its superexcellence performance.

水平轴风力机是目前应用最广的一种风力发电机，垂直轴风力机有着优越的性能，并越来越被人们所重视。

Wind turbine is a complicated non-linear system. The effective and reliable control technology is crucial to the safe operation of wind turbine generator.

风力发电机组是复杂的非线性系统，有效和可靠的控制技术是风电机组安全运行的关键。

In recent years, dasso has successfully patented some new products in the field of bamboo technology including indoor and outdoor bamboo decorative material and wind turbine blade. in 2004, dasso's two-ply bamboo flooring was awarded china national star promotion project; in 2005, fire-proof ceiling board developed by dasso, was used in the madrid international airport and this project was honored with riba award; in 2006, dasso's bamboo decorative material was used for the dashboard of bmw vehicles. there are more than 100,000 bmw x5 and x6 model which are fitted with this high quality material all over the world; towards the end of 2008, the 1st set of wind turbine bamboo blades which dasso supplied the high strength bamboo material was installed in northern china; in march of 2009, dasso began to introduce its outdoor strand woven bamboo into the market and this was used in projects such as the shanghai world expo 2010 as riverfront decking.

大庄近年来在竹子科技领域有多项发明专利应用于新的产品，这些新产品包括竹材室内外装饰材料以及环保风能竹材料。2004年，大庄的两层竹地板被国家授予星火计划推广项目；2005年，大庄研发的防火竹制天花板被应用于西班牙马德里国际机场，该项目并荣获英国皇家斯特灵奖；2006年，大庄将竹材推进到宝马汽车内饰，现有超过十万辆bmw x5、x6奔驰在世界各地；2007年，大庄的一项竹装饰板荣获国家科技发明奖；2008年底，由大庄提供的竹制风能叶片材料的世界第一个竹制风能叶片系统在中国北方张北投入使用开始发电。2009年3月，大庄研发的竹户外材料开始投放市场，并被应用到上海世博会的诸多项目之中。

Technical requirements and optimization strategies in designing wind turbine airfoils are discussed in this paper,and an optimization tool is developed. Researches on multi working points optimization for wind turbine airfoils with high lift-to-drag ratio are carried out.Simulation results show that the optimization strategy developed is of great use in wind turb...

论文综述了风力机翼型开发需求及其相关的优化算法，并且建立了专门用于风力机翼型开发的优化平台，通过采用CFD方法，进行了高升阻比风力机翼型多工况点优化开发的研究，结果表明，作者使用的方法可以完成新型风力机翼型优化设计。

The H∞ robust control problem is resolved with 2-Riccati algorithm, and the H∞ robust controller is used in the rotating speed control of wind turbine, which results in completely wind turbine speed control within frequency band of wind speed variation.

用2-Riccati算法对H∞控制器进行求解，将该控制器用于风车的转速控制中，最终实现在风速波动频率范围内的风车完全转速控制。

A mixed sensitivity H∞ control model is constructed and the band width of wind turbine speed control is designed according to the frequency characteristic of wind speed variation and noise of rotating speed sensor. The sensitivity function is decreased within this frequency band to restrain the wind torque perturbation to wind turbine rotating speed control.

通过构造基于复合灵敏度的H∞鲁棒控制模型，根据风速的波动频率范围和传感器的噪声频率范围设计了风车转速控制的带宽，并在此带宽内降低系统的灵敏度函数，来抑制风力转矩对风车转速控制的干扰。

The FAST (Fatigue, Aerodynamic, Structures and Turbulence) Code was applied to predict loading to a 1.5 MW three-bladed upwind horizontal-axis wind turbine. The output of FAST code containing the specified wind turbine geometric and loading information was transferred to the ADAMS program for turbine blade motion analysis and its structural modal and deformation analysis.

在系统运动模拟部分，用FAST建构出一个1.5MW、3个片、上风式、水平轴式的风，然后将模型转入ADAMS机构模拟软体中进分析与运动模拟，再将FAST和ADAMS分析的结果分别以三种风运转的况个别讨其风转速、转子扭矩、发电机发电，比较后有相当错的结果。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。