The results show:For the same wind speed, as the wake away from the wind rotor, the wake velocity gradually closer to flow velocity;
计算分析得出，对于同一风速，随着尾流远离风轮，尾流速度逐渐接近来流风速；
The energy in the wind turns two or three propeller-like blades around a rotor.
风力推动固定在转轴上两三个像推进器一样的叶片。
CFRP materials have been available for nearly 50 years and are used in the aviation and aerospace industries, in car racing and, most recently, in rotor blades for wind turbines.
碳纤维增强塑料的运用将近50年了，它被用于航天航空工业，汽车竞赛最近又用作风轮的转动叶片。
A series of tests to do that were conducted on a UH-60A Blackhawk helicopter rotor in a NASA wind tunnel from January to May 2010.
而一系列试验将于2010年1月至3月NASA的风洞中、在一个UH - 60A黑鹰直升机的转子上进行。
Blades are turned, or pitched, out of the wind to control the rotor speed and keep the rotor from turning in winds that are too high or too low to produce electricity.
叶片打开，或定，出于对风的控制转子的速度和保持转子从转折，在风是太高或太低，以产生电力。
Generally speaking, most of the wind turbine rotor is a rigid rotor, usually at low speed balance can be achieved and ensure the accuracy of the use of wind turbine rotor.
而一般来讲，大多数的风机转子都是属于刚性转子，通常在低速平衡就能达到和保证风机转子的使用精度要求。
The power expression by the wind passing through the rotor swept area of back wind direction wind turbine is accurately deduced from energy viewpoint based on wind shear and tower shadow effect.
从风力机获取能量角度出发，充分考虑风剪切与塔影效应，精确推导出作用于下风向风力机风轮扫掠面积上理论风功率的计算式。
These methods are compared, and the method based on blade element theory is selected in modeling of wind turbine rotor.
通过对这两种方法的比较，选用基于叶素理论的方法建立了风轮模型。
An experimental investigation into the properties of the wake behind a horizontal-axis wind turbine (HAWT) rotor is carried out at model scale, using a single slanted hot-wire probe.
在水平轴风力机模型不同尖速比条件下，利用旋转单斜丝热线在风轮下游进行尾迹流场速度测量。
Conventional small wind turbines are designed to have rotor blades, which require large Spaces to operate in and need to be located away from populated areas.
传统的小型风力发电机由于使用风车叶，因而需要较大的空间运作，要远离人口稠密的地区。
Experimental results show that the novel rotor current hybrid control system can satisfy the requirement of VSCF wind generator system, and the power factor control of generated power is available.
实验结果表明，该新型转子电流混合控制结构可以满足变速恒频风力发电机系统的运行要求，同时实现了发电机的输出功率因数可控。
In wind power system, a vector control strategy using rotor induct electric potential orientation for doubly fed generator was proposed.
针对风力发电系统中的双馈电机提出一种转子感应电势定向矢量控制方法。
Fundamental principles and control strategies of pitch-controlled wind induction generator system with rotor current controller (RCC) were presented.
介绍了带有转子电流控制器(RCC)的变桨距调节异步风力发电机系统的基本原理及其控制策略。
It comes just six months after Norway promised the world's largest wind turbine, with its 145 meter rotor diameter, to be built and contributing to the country's power grid by 2011.
这发生在挪威承诺将要建设具有145米转子直径的、世界上最大的风力涡轮机，并且在2011年前为该国电网作出贡献之后仅仅六个月。
Abstrct:The composition of on_line balance system for the rotor of cold & warm wind curtain machine is introduced. Calculation & procedure of rotor balance is given.
介绍了冷热风幕机转子在线平衡系统的组成，给出了转子平衡计算及程序。
The vibration modal analysis method and the influent factors of the natural frequency of the rotating rotor of horizontal axis wind turbine rotor blades were presented.
建立了大型水平轴风轮转子／塔架耦合系统的气动弹性模型，推导了转子／塔架耦合系统周期系数运动方程，给出了气动弹性稳定性分析方法。
The utility model relates to a wind helping type wind powered generator, which is composed of a stator, a wind wheel type rotor, a wind collecting shell and a wind helping machine.
一种助风式风能发电机，主要由定子、风轮式转子、集风壳和助风机构成。
The stator is multiphase windings and outer rotor is PM structure. The wind turbine and generator is coupled directly without gear.
该定子为多相绕组，外转子为永磁结构，风轮与发电机直接耦合。
A computational method based on rotor free-wake model was developed for horizontal axis wind turbine's aerodynamic performance prediction.
转子自由尾迹模型的基础上开发的计算方法为水平轴风力发电机的空气动力性能的预测。
A rotor system of the magnetic suspending wind power generator is designed, which is supported with magnetic bearings in radial direction and constrained with mechanical force in axial direction.
设计了一种磁悬浮风力发电机的转子系统，径向方向采用磁力轴承支承，轴向方向靠机械力约束。
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 simplest model of a horizontal axis wind turbine (HAWT) is one in which the turbine rotor is replaced by an actuator disk which removes energy from the wind.
水平轴风力涡轮机(HAWT)的最简单模型是：其涡轮机转子由从风力中获取能量的促动盘代替。
This paper discusses the model of wind vane in WTG, and a wind direction sensor is designed according to the case whether there is turbulence when the rotor of WTG rotates.
对风力发电机风向标的模型和风向传感器、调向控制系统的设计进行了讨论。
This model accounts for the uncertainty about the loads acting on the wind-turbine rotor blade by the unstable wind distribution. A 20-year design lifetime is considered.
该种模型考虑了由于风速的不稳定所带来的作用在风力机叶片上分布载荷的不确定因素，并假定风力机的设计寿命为20年。
The above is the scale of our research. It aims to decrease tip vortexes, reduce the flow loss of the rotor and improve the output power of the wind turbine.
目的是在减少叶端漩涡，降低叶轮的流动损失，提高风力机的输出功率，将更多的风能转化为电能。
A new excitation control strategy is proposed for the rotor side converter in an AC excited wind-power generator to allow the system to ride through the grid short-circuit fault.
提出一种电网短路故障时保持交流励磁风力发电机不脱网运行的新型励磁控制策略。
A new excitation control strategy is proposed for the rotor side converter in an AC excited wind-power generator to allow the system to ride through the grid short-circuit fault.
提出一种电网短路故障时保持交流励磁风力发电机不脱网运行的新型励磁控制策略。
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