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.

闡述了風(fēng)力機(jī)塔架的固有頻率和固有振型美国无码Av免费自慰、順風(fēng)向下塔架的風(fēng)效應(yīng)和位移響應(yīng)欧美一级AAAAAA片在线看、橫風(fēng)向塔架在尾渦激勵(lì)下的風(fēng)效應(yīng)和位移響應(yīng)以及由風(fēng)輪旋轉(zhuǎn)而引起的位移響應(yīng)。

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.

湘電風(fēng)能制造的兆瓦級(jí)直驅(qū)式風(fēng)力發(fā)電機(jī)組與傳統(tǒng)機(jī)型相比日本AAAAA片爽快免费中国，具有系統(tǒng)可靠黄色手机黄色网站在线播放、轉(zhuǎn)動(dòng)部件少、無(wú)齒輪箱国产高清黄色网、運(yùn)轉(zhuǎn)噪聲小插插99、風(fēng)能利用效率高、上網(wǎng)電源質(zhì)量好及維護(hù)成本低等明顯優(yōu)勢(shì)视屏久久，代表了世界風(fēng)電技術(shù)的發(fā)展趨勢(shì)日韩精品片在线观看网站，在我國(guó)各地風(fēng)場(chǎng)和臺(tái)灣地區(qū)，以及荷蘭欧美专区11页、芬蘭欧美性爱视频自拍偷拍、德國(guó)、日本等國(guó)家得到了廣泛的應(yīng)用黄人人操干，贏得了用戶的高度評(píng)價(jià)天美自拍乱码在线播放视频。

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.

我國(guó)對(duì)直驅(qū)式風(fēng)力發(fā)電機(jī)的研究尚處于起步階段，運(yùn)行可靠欧美狂野激情XXXX、成本較低的中小型直驅(qū)式風(fēng)力發(fā)電系統(tǒng)非常適合于我國(guó)的偏遠(yuǎn)農(nóng)村自拍美日韩在线视频网站免费、牧場(chǎng)、海防及邊防哨所的供電美女黄网站一区二区，對(duì)改善這些地方的生產(chǎn)生活條件有深遠(yuǎn)的意義欧美日韩在线视。

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.

這是投入運(yùn)行的第一代商用擴(kuò)散體增強(qiáng)型風(fēng)力機(jī)(DAWT： diffuser augmented wind turbine)，如果開(kāi)發(fā)者的預(yù)期結(jié)果得以實(shí)現(xiàn)欧美一级,日韩三级，將導(dǎo)致風(fēng)力發(fā)電成本大幅度降低欧美老年性生活视频。

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，將有2臺(tái)防鹽霧型2MW風(fēng)電機(jī)組下海亚洲黄色视频电影，用于三峽響水和慈溪海上風(fēng)電場(chǎng)A片免费观看久；正在研發(fā)的3.6MW海上風(fēng)機(jī)，風(fēng)輪直徑達(dá)116米手机看片1024人妻久久性色，是目前國(guó)內(nèi)最大思思玖玖、全部由企業(yè)自行開(kāi)發(fā)設(shè)計(jì)的風(fēng)力發(fā)電機(jī)組www簧片网址视频，計(jì)劃于2010年6月樣機(jī)下線。

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 傳統(tǒng)的風(fēng)力機(jī)優(yōu)化設(shè)計(jì)方法是以槳葉各截面在設(shè)計(jì)風(fēng)速處具有最大的功率系數(shù)為目標(biāo)亚洲人成网网址在线看，設(shè)計(jì)是針對(duì)事先確定的一個(gè)設(shè)計(jì)風(fēng)速進(jìn)行的日韩AAAAAA免费毛片，風(fēng)力機(jī)只能在設(shè)計(jì)風(fēng)速點(diǎn)處獲得最大功率系數(shù)。

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.

本文首次提出的變轉(zhuǎn)速擾動(dòng)的MPPT控制提高了風(fēng)車(chē)最大功率點(diǎn)追蹤的快速性和穩(wěn)定性无码国内精品麻豆久久人妻，風(fēng)車(chē)完全轉(zhuǎn)速控制提高了風(fēng)車(chē)轉(zhuǎn)速對(duì)變動(dòng)風(fēng)速的跟蹤效果日本特级黄色大片天天高潮免费看，轉(zhuǎn)速同步風(fēng)車(chē)功率觀測(cè)法消除了逆變器死區(qū)所造成的風(fēng)車(chē)功率波動(dòng)的影響，帶有低通濾波器的MPPT控制器使得風(fēng)車(chē)的轉(zhuǎn)速更加趨于平穩(wěn)日本黄色视频网址。

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.

風(fēng)力發(fā)電項(xiàng)目要求： The requirement of Wind Turbine：一欧美草草操在线视频、對(duì)合作伙伴的要求 Requirements to Partners 具備兆瓦級(jí)以上大型并網(wǎng)風(fēng)力發(fā)電機(jī)組的設(shè)計(jì)開(kāi)發(fā)、生產(chǎn)制造色久是色、安裝調(diào)試能力www又湿又大，具備一定的行業(yè)經(jīng)營(yíng)經(jīng)驗(yàn)，希望到中國(guó)投資建設(shè)風(fēng)機(jī)項(xiàng)目一本二本三本黄色视频，愿意到山東煙臺(tái)與正海集團(tuán)進(jìn)行合作欧美综合缴情五月丁香六月婷，共同開(kāi)發(fā)中國(guó)的風(fēng)機(jī)市場(chǎng)。

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.

根據(jù)&措施&的風(fēng)力發(fā)電設(shè)備制造企業(yè)基金行業(yè)申請(qǐng)必須符合6個(gè)條件：一精品久久九九九久久久久国产，具有自主知識(shí)產(chǎn)權(quán)和品牌69视频在线免费看，包括自主研發(fā)，聯(lián)合開(kāi)發(fā)或重新引進(jìn)設(shè)備技術(shù)創(chuàng)新A级毛片喷潮高清免费观看，我們必須有完整的技術(shù)文檔动漫无码av永久免费专区；第二，獨(dú)立風(fēng)力發(fā)電機(jī)組1500萬(wàn)千瓦以上3Dh色视频在线播放；有三個(gè)欧美黄色网站免费的，通過(guò)北京鑒認(rèn)證和產(chǎn)品認(rèn)證中心的價(jià)值，風(fēng)力發(fā)電機(jī)网站直接看操逼；四是支持風(fēng)力渦輪機(jī)葉片狼友免费观看不卡网站，齒輪中，所擁有或控制的生產(chǎn)企業(yè)所屬發(fā)電機(jī)无遮挡黄色片免费在线播放，鼓勵(lì)采用中資或中控股轉(zhuǎn)換器和軸承制造企業(yè)最新的毛片网址，5個(gè)是相同的企業(yè)應(yīng)用程序使用相同的技術(shù)來(lái)支持不同型號(hào)的產(chǎn)品，功率差500千瓦以上操女人在线； 6個(gè)風(fēng)力發(fā)電機(jī)組是在國(guó)內(nèi)生產(chǎn)91自拍最新地址，安裝完成，調(diào)試特黄A级毛片免费官方网站，無(wú)故障運(yùn)行超過(guò)240小時(shí)国产一级毛片国产一级A片，并通過(guò)業(yè)主驗(yàn)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...

結(jié)合國(guó)內(nèi)偷拍网久久网站、外的實(shí)踐經(jīng)驗(yàn)和研究成果AVwww网站在线，論述了風(fēng)電轉(zhuǎn)盤(pán)軸承設(shè)計(jì)和制造的關(guān)鍵技術(shù)婷婷深爱99精品五月在线视频，重點(diǎn)分析了風(fēng)電轉(zhuǎn)盤(pán)軸承的選型、壽命預(yù)測(cè)技術(shù)国产AV黄色，機(jī)加工九九热线国产精品视频6、熱處理技術(shù)等，以期對(duì)國(guó)內(nèi)風(fēng)電轉(zhuǎn)盤(pán)軸承的自主創(chuàng)新有所幫助国产高清色色。