查询词典 wind turbine

N this paper.a method for calculating the natural frequency and eigenmode of power turbine's tower.the wind effect and displacement response of the tower along wind direction. and the wind effect and displacement response produced by the tail vortex across wind direction is introduced. The response caused by wind turbine's rotation is discussed.

阐述了风力机塔架的固有频率和固有振型、顺风向下塔架的风效应和位移响应、横风向塔架在尾涡激励下的风效应和位移响应以及由风轮旋转而引起的位移响应。

Compared with traditional wind turbine, the direct drive wind turbine manufactured by the company owns distinct advantages of high efficiency, gearless, reliable system, easy maintenance, low noises and good quality of grid connection. This type of product represents the developing trend of international wind turbine technology, and it is popularly installed in Netherlands, Finland, Germany, Japan, and Taiwan of China as well as Northern part and coastal area of China, which enjoy high evaluation from customers.

湘电风能制造的兆瓦级直驱式风力发电机组与传统机型相比，具有系统可靠、转动部件少、无齿轮箱、运转噪声小、风能利用效率高、上网电源质量好及维护成本低等明显优势，代表了世界风电技术的发展趋势，在我国各地风场和台湾地区，以及荷兰、芬兰、德国、日本等国家得到了广泛的应用，赢得了用户的高度评价。

Permanent magnet generator direct driven by wind-turbine becomes the tendency of wind power development. In our country, the study of DPMG is being at initial step and the small-to-medium wind power plant for stand-alone generation-battery system directly driven by wind turbine is quite fit to remote village, pasture, frontier or coast defensive station due to its operating reliability and low cost.

我国对直驱式风力发电机的研究尚处于起步阶段，运行可靠、成本较低的中小型直驱式风力发电系统非常适合于我国的偏远农村、牧场、海防及边防哨所的供电，对改善这些地方的生产生活条件有深远的意义。

This is put into operation the first generation of commercial proliferation of enhanced wind turbine (DAWT: diffuser augmented wind turbine), if the developers to achieve the expected results, will lead to significant reduction in the cost of wind power.

这是投入运行的第一代商用扩散体增强型风力机(DAWT： diffuser augmented wind turbine)，如果开发者的预期结果得以实现，将导致风力发电成本大幅度降低。

September next year, there will be 2 sets of anti-salt spray type 2MW wind turbine down to the sea, for the Three Gorges water and Cixi ring offshore wind farm; being developed 3.6MW sea fan, the wind wheel diameter of 116 meters, is currently the largest, All designed and developed by the company's wind turbine, which is scheduled for June 2010 offline prototype.

明年9月，将有2台防盐雾型2MW风电机组下海，用于三峡响水和慈溪海上风电场；正在研发的3.6MW海上风机，风轮直径达116米，是目前国内最大、全部由企业自行开发设计的风力发电机组，计划于2010年6月样机下线。

To get the biggest power coefficient at various of wind speed, put out the argument of controlling wind turbine according to the wind pressure which act on the wind wheel swept area. Design and make a wind turbine which can adjust pitch angle of oar leaves through various of wind speed, and make experiment of characteristic.

1引盲 传统的风力机优化设计方法是以桨叶各截面在设计风速处具有最大的功率系数为目标，设计是针对事先确定的一个设计风速进行的，风力机只能在设计风速点处获得最大功率系数。

The complete wind turbine speed control firstly proposed here also improves the tracking effect of wind turbine rotating speed to variable wind speed. Wind turbine rotating speed synchronized power observer compensates the power ripple of wind turbine resulted in inverter dead time. A low pass filter used at the output of MPPT controller smoothes the speed reference, which makes the rotating speed of wind turbine more stable.

本文首次提出的变转速扰动的MPPT控制提高了风车最大功率点追踪的快速性和稳定性，风车完全转速控制提高了风车转速对变动风速的跟踪效果，转速同步风车功率观测法消除了逆变器死区所造成的风车功率波动的影响，带有低通滤波器的MPPT控制器使得风车的转速更加趋于平稳。

With the capacity of the design and development, manufacture, installation and debugging of large-scale network combination wind motor sets above mega-watt, with certain business operation experiences, we hope to invest and construct Wind powers projects in China and are willing to cooperate with Zhenghai Group in Yantai, Shandong to develop together the Wind powers market of China.

风力发电项目要求： The requirement of Wind Turbine：一、对合作伙伴的要求 Requirements to Partners 具备兆瓦级以上大型并网风力发电机组的设计开发、生产制造、安装调试能力，具备一定的行业经营经验，希望到中国投资建设风机项目，愿意到山东烟台与正海集团进行合作，共同开发中国的风机市场。

According to the "measures" to apply for the funds industry of wind power equipment manufacturing enterprises must comply with six conditions: First, equipment with independent intellectual property rights and brands, including independent research and development, joint development or re-introduction of technology innovation, we must have complete technical documentation; Second, stand-alone wind turbine capacity of 1500 kilowatts above; are three wind turbine through the Beijing Kam value of product certification and Certification Center; four are supporting wind turbine blades, gear box, generators owned by owned or-controlled enterprises in manufacturing, to encourage the adoption of Chinese-funded or Chinese-holding enterprises manufactured converter and bearings; five are the same enterprise applications using the same technology to support different models of products, poor power 500 kW above; six wind turbine are completed in the domestic production, installation, commissioning, trouble-free operation for more than 240 hours, and through acceptance owners.

根据&措施&的风力发电设备制造企业基金行业申请必须符合6个条件：一，具有自主知识产权和品牌，包括自主研发，联合开发或重新引进设备技术创新，我们必须有完整的技术文档；第二，独立风力发电机组1500万千瓦以上；有三个，通过北京鉴认证和产品认证中心的价值，风力发电机；四是支持风力涡轮机叶片，齿轮中，所拥有或控制的生产企业所属发电机，鼓励采用中资或中控股转换器和轴承制造企业，5个是相同的企业应用程序使用相同的技术来支持不同型号的产品，功率差500千瓦以上； 6个风力发电机组是在国内生产，安装完成，调试，无故障运行超过240小时，并通过业主验收。

Therefore,wind turbine slewing bearings are more strictly in design and manufacture.Based on the domestic and international practice and research results,the key technology in design and manufacture of wind turbine slewing bearings are discussed,focused on analyzing of wind turbine slewing bearing s selection,life pred...

结合国内、外的实践经验和研究成果，论述了风电转盘轴承设计和制造的关键技术，重点分析了风电转盘轴承的选型、寿命预测技术，机加工、热处理技术等，以期对国内风电转盘轴承的自主创新有所帮助。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。