The wind speed model is proved to be correcet by comparison of the natural wind speed simulation and the actual wind speed curve.
并将自然风模拟风速曲线与实际风速曲线比较,证明该风速模型的合理性。
The wind speed model considering wake effect can describe power output of wind farm more accurately under wind speed fluctuation, therefore the study result is more practical.
考虑风电场内机组间尾流效应的风速模型能较准确地描述风速扰动下风电场输出功率的波动,使研究结果更具有实际意义和价值。
The research team uses the model to run millions of numbers -- atmospheric conditions like wind speed, temperature, and moisture -- through a series of equations.
该研究小组使用此模型处理一系列的方程式,运算数百万的数据包括风速、温度、湿度等大气状况。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
Wind generator model includes wind turbine model, transferring structure model and asynchronous generator model. Response of wind generators to four kinds of wind speed is simulated and analyzed.
风电机组的数学模型主要包括风轮机模型、传动机构模型和异步发电机模型,仿真分析了风电机组对于风速四种分量的响应。
To calculate this, developers use a statistical model to obtain a "P90" wind value-the average wind speed in which they can be 90% confident.
为了估测,开发者用一个统计模型获得一个“P 90”的气流值——这是个平均风速,它能有90%的确定性。
Article introduce burner hearth detailed size of model, check and calculate wind amount and wind speed that the boiler need to enter second mould area.
文章介绍了炉膛模型的详细尺寸,并对炉膛进入第二自模化区所需风量、风速进行了核算。
AR816 anemometer with ultra small impeller integrally anemometer, maximum, current value, average wind speed, wind temperature, wind velocity response of analog display, pocket-sized portable model.
AR 816风速计具有超小型叶轮一体式风速计,最大、当前值、平均风速、风温测量,风速反应模拟条显示,袖珍便携机型。
The pressure field measurement results on the wing surface of airplane model by luminescence pressure sensor (LPS) technique and classic tap technique in high speed wind tunnel are presented.
介绍了国内首次在高速风洞中使用荧光压力传感器(LPS)技术对飞机模型机翼表面压力场测量的初步结果。
Wall-signature methods for wall interference correction in high speed wind tunnel model tests is presented.
本文介绍用壁压信息法对高速风洞模型试验进行洞壁干扰修正的方法。
This paper deals with stochastic characteristic of the wind speed, and gives an auto-regressive moving-average (ARMA) model for wind speed subjected to particular power spectral density.
该文针对风速随机变化的特性,在风速统计特性研究的基础上,用自回归滑动平均(ARMA)方法建立了具有一定功率谱密度特性的风速模型。
The simulation model was established to precede simulation optimizations, and then the optimum data of wind speed, inclination Angle of wind and other parameters were verified.
建立了仿真模型并进行模拟优化,最终确定了达到最佳风选效果的风速、风力倾斜角等多个参数。
The design reference wind speed and related wind characteristic parameters of the bridge are derived from the wind tunnel test of a terrain model of the bridge site.
通过模拟桥址地形的风洞试验,确定桥梁设计基准风速和相关的风特性参数,使得到的风速真正反映桥址处风的实际状况。
In this model, power distribution in stator winding and rotor winding is calculated according to both wind-power curve and rotation speed control law of VSCF wind turbine.
应用该模型,可以根据风电机组风功率特性曲线和转速特性曲线,计算风电机组定子侧和转子侧的功率分布。
The presented linearized model of doubly-fed induction generator is suitable to the related researches of doubly-fed variable speed wind turbines.
文中提出的双馈感应发电机线性化模型适用于变速恒频双馈风力发电系统的相关研究。
On the basis of this model, the nonlinear dynamic inversion method was applied to design the pitch Angle controller of the system working above the rated wind speed.
在此基础上,利用非线性动态逆方法,设计了系统在额定风速以上工作时的桨距角控制律。
The simulation model and result are given under the environment of MATLAB. The fluctuation of wind speed can be controlled and the disturbance can be cancelled by BP neural network controller.
在MATLAB环境下给出了用BP网对变速风力发电机控制的仿真模型和仿真结果,显示采用神经网控制器控制有很好的抗风速突然波动的作用,能有效地抑制扰动。
Based on traditional support system in wind tunnel testing, the combination support system measuring support interference on high angles of attack model in low speed wind tunnel was designed.
基于传统的风洞试验支撑设备,设计了用于低速风洞测量大攻角模型支架干扰的组合支撑设备。
And then wind speed, wind generators and wind farm are modeled. Wind generator model includes wind turbine model, transferring structure model and asynchronous generator model.
其次建立了风速、风电机组及发电机组数学模型,其中风电机组的数学模型主要包括风轮机模型、传动机构模型和异步发电机模型。
Because of the wind speed measurement and accurate system model are hard to obtain, so it's difficult to achieve good results by using the traditional pid controller in case of rapidly variable wind.
由于风速测量的不准确性以及很难获得风力发电系统的精确模型,故采用传统的PID控制器难以在风速快速变化的情况下实现良好的控制效果。
In the model, CA transition rules were modified in accordance with the slope, wind speed and direction, humidity and tree species.
在该模型中,CA状态跃迁规则与坡度、风速、风向、湿度和树种紧密相关。
For the purpose of studying the vibration characteristics of high-rise structure under high wind speed, a model of single-rod transmission tower was tested in wind tunnel.
为了研究高耸结构在强风作用下的振动特性,本文对一自立式单杆输电塔进行了风洞试验研究。
With the numerical sea current and wave model, the sea current and wave in the South China sea under the actions of the tropical cyclone high wind speed were numerically simulated.
采用海流和海浪数值模式,对热带气旋高风速作用下南海的海流和海浪进行了数值仿真。
This paper gives a brief description of the whole process of the low-speed wind tunnel test for active flutter suppression of a two-dimensional wing model with trailing edge control surface.
本文简要地阐述了具有后缘控制面的二元机翼模型主动颤振抑制低速风洞试验的全过程。
The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.
风洞试验结果说明,采用颤振主动抑制控制系统后,机翼的颤振临界速度可提高37%。
The simulation model for the grid connection of offshore wind farm via VSC-HVDC based on the fixed pitch constant speed wind power generation system is established.
建立了基于定桨距恒速风力发电机系统的海上风电场直流并网仿真模型,并对风电场几种典型运行情况的并网性能进行了仿真分析。
The variable-speed constant-frequency generation BDFM wind power generation power control mathematic model is firstly derived, and its power control strategy is found.
首次推导了适用于变速恒频风力发电无刷双馈电机的功率控制数学模型提出无刷双馈电机变速恒频风力发电系统的功率控制策略。
An aircraft model was tested in the FL-8 low speed wind tunnel. The test data were analyzed.
在FL - 8风洞中采用某型号飞机的动导模型进行了旋转流场下滚转振荡试验研究,对试验数据进行简单分析。
A simplified model of variable speed variable pitch wind turbine is established.
建立了变速变桨距风力发电机组的简化模型。
A simplified model of variable speed variable pitch wind turbine is established.
建立了变速变桨距风力发电机组的简化模型。
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