constant wind

In nowadays wind power generation technology, Variable Speed Constant Frequency wind power technology and Variable Pitch Control technology become the mainstream wind power technology and has a very good prospects of development.

在现今的风力发电技术中，变速恒频风力发电技术和变浆距调节技术成为了主流的风力发电技术，具有很好的发展前景。

A novel variable speed constant frequency wind generation system with rotor current hybrid control

新型转子电流混合控制的变速恒频异步风力发电系统

Application of Matrix Converter in Variable Speed Constant Frequency Wind Generation System

矩阵式变换器在变速恒频风电系统中的应用

At present, variable speed constant frequency wind power system has become the main trend of wind power development with its obvious advantage in wind power converter system connected to grid.

目前，在风力发电并网运行的风力发电变流系统中，变速恒频风电系统以其十分明显的优势，己经成为风电发展的主要趋势。

With the development of the variable speed constant frequency wind power generation technology, double-fed wind power system has become a research focus.

随着变速恒频风力发电技术的发展，双馈型风力发电系统已经成为一个当前研究的热点。

MW variable speed constant frequency wind turbine from shenyang university of technology is a variable pitch wind turbine, it can change pitch to adjust power above rated wind speed.

由沈阳工业大学研制的MW级变速恒频风电机组属于变桨距型机组，它在额定风速以上进行变桨距调功控制。

Finally this article analyzed the mathematical model of wind turbine, compared to the current different types of variable speed constant frequency wind power systems.

最后分析了风力机的数学模型，对比了目前采用的不同类型的变速恒频风力发电系统。

A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.

建立了基于变换器励磁的双馈感应电机的变速恒频风力发电功率控制系统的模型。

Because direct-drive variable speed constant frequency wind power generation system is high efficiency, simple structure and stable operation, it is one of development trends and current research focus of wind power technology.

直驱变速恒频风力发电系统由于其效率高，结构简单及稳定运行，是风力发电技术的发展的趋势和当前研究热点之一。

Research on Simulating System of Variable Speed Constant Frequency Wind Generating

变速恒频风力发电模拟系统的研究

Variable Speed Constant Frequency Wind Power Induction Generator System

变速恒频异步风力发电机系统

Because common fan is in, the wind force when the job, leeway is constant commonly.

由于普通风机在工作时的风量 、 风压一般是恒定的.

The Wind Compensation of Ballistic Trace of a Low Altitude Sounding Rocket with the Translation Model from Variable Wind to Constant Wind

探空火箭风场补偿及等效弹道风转化

So, they thought that if the Earth itself was moving, there would have to be a constant wind blowing, sweeping them off their feet, and of course there wasn't.

因为，他们认为如果地球在运动的话，那么就会不停的刮风，将他们刮倒，当然了，并没有风。

Research of the Megawatt Level Variable Speed Constant Frequency Wind Power Unit Control System

兆瓦级变速恒频风力发电机组控制系统

Study on excitation converter of variable speed constant frequency wind generation system

变速恒频风力发电机组励磁变频器的研究

Simulation results show that the methods are effective in wind speed interference suppression and constant power control.

仿真结果表明，该方法对随机风扰动下的电机转速偏差有一定的抑制效果，从而实现了风力发电机组的恒功率控制。

Flow field around high-speed train and transient behavior of the aerodynamic characteristics in constant wind field were simulated by Detached Eddy Simulation, and the unsteady property was analyzed.

采用分离涡模拟法模拟了恒定风场中高速列车绕流的非定常流动，在时域和频域内分析了车辆和转向架气动特性的瞬态性质。

Comparison and Analysis on Network Synchronization Modes of Several Kinds of Variable Speed Constant Frequency Wind Power Generator

几种适合变速恒频风力发电机并网方式对比分析

Rocky soil and near constant wind explain why the local diet is almost entirely lacking in fresh fruit and vegetables.

多石的土壤和几乎永远不停的风解释了当地的饮食特征——基本上不存在新鲜水果和蔬菜。

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。

Combining with the aerodynamic load model of blade, get the aeroelastic coupling response of blade under the action of constant wind speed and turbulence wind speed.

结合叶片气动载荷模型，得到了叶片在定风速及紊流风速作用下的气弹耦合响应。

At present, the fashion industry trend of constant wind Blow, design changes are more and more.

目前, 各行业时尚潮流之风不断吹送, 设计的变化也越来越多.

Study of Robust Rotating Speed Control Methold of Variable Speed Constant Frequency Wind Turbine System

变速恒频风力发电系统转速鲁棒控制方法研究

It's the constant wind typical of this area that has made this fire more difficult to control.

这个地区的典型天气是常年刮风，这使火灾更难控制。

Torque Ripple Control for Drive-Train in Variable Speed Constant Frequency Wind Turbines

变速恒频风力发电系统传动链转矩波动控制

DTC control of doubly-fed variable speed constant frequency wind turbine

双馈变速恒频风电机组直接转矩控制

Research on Rotate Speed Control of Variable Speed Constant Frequency Wind Turbine

变速恒频风力机转速控制研究

In recent years, the variable speed constant frequency wind generator system is the most widely question for discussion at home and abroad, especially for doubly-fed induction.

变速恒频风力发电系统是近年来国内外研究最广泛的课题，其中最具代表性的是绕线式转子双馈异步发电系统。

Direct drive permanent magnet synchronous generation system plays an important role in the variable speed constant frequency wind power generation field because of its good operation performance, high efficiency and high reliability.

直驱式永磁同步风力发电系统因其良好的运行性能、效率高与高可靠性等优点，在变速恒频发电领域占据着越来越重要的地位。