Duke Energy entered the wind energy industry in 2007 with the acquisition of Tierra Energy's wind development business. The acquisition of Catamount Energy in 2008 strengthened Duke Energy's position as an emerging leader in wind power.

2007年午夜性生活黄色片，杜克能源公司收購Tierra公司的風能發(fā)電業(yè)務(wù)欧美肏，并由此踏入風電行業(yè)可以直接看的欧美A片。2008年杜克能源公司收購Catamount能源公司三级免费操逼视频，加強了其在風力發(fā)電行業(yè)新興領(lǐng)導人的地位。

The intermittency of wind seldom creates problems when using wind power to supply a low proportion of total demand, but it presents extra costs when wind is to be used for a large fraction of demand.

在間歇性的風力造成了問題時免费在线的毛片网站，很少使用風力發(fā)電供應(yīng)總量中所占比例較低的需求我操人人人人操我，但它提出了額外的費用時，風力將用于中占有很大比例的需求一级片毛片黄片。

We can see it clearly that even average wind speed is the same, when wind direction, overfall and other condition change, the generator set ,especially the gear box is taken quite different changing load with help of blade program of wind power design software.

利用風力機設(shè)計軟件Bladed程序我們可以很明顯地看到(詳見圖1乱码视频午夜在线观看，圖2)：即使在平均風速相同人人透人人操人人干，但隨著風向，湍流和其他條件的變化中文字幕公司入口，機組特別是齒輪箱所承受的交變載荷完全不一樣日韩精品老熟女视频网站免费。

Along with the enlargement of capacity of wind turbine and the scale of wind farm, the attention is paid to the secure operation of wind power increasingly.

隨著風電機組單機容量和風電場規(guī)模的增大，風電場的安全運行問題日益受到重視玖玖www。

And with the enlargement of the wind farm scale, the negative effects of wind power become more and more serious, and turn to be great obstacle of the further utilization of the wind resource.

隨著風電場規(guī)模的不斷擴大美女视频性色毛片全是黄色的，風電特性對電網(wǎng)的負面影響愈加顯著，成為制約風電場建設(shè)規(guī)模的嚴重障礙18禁黄网站禁片免费观看女女。

Compared to the traditional power,the wind power can be taken as widely-distributed,clean and sustainable energy which gets rid of the dependence on nonrenewable fossil energy and defuses the fuel cost risk of normal power so as to ensure the cost stability of power generation,which basically solves the environmental cost of discharge of sulfur,dust and carbon caused by the normal power.

與傳統(tǒng)能源相比人人操,人人草，風能作為一種在全球范圍內(nèi)廣泛分布的清潔、永續(xù)能源日韩无码毛片基地，其有效利用不僅可以擺脫對不可再生的化石能源的依賴美女污视频在线观看，化解常規(guī)電力的燃料價格風險国内精品99久免费视频，保證發(fā)電成本的穩(wěn)定黄色网视频免费观看，而且可以從根本上解決常規(guī)能源發(fā)電所帶來的硫、粉塵黄网站毛片、碳排放等環(huán)境成本問題日本公妇中字在线观看。

In-depth research of the key technology of wind turbine has very important meanings to empolder wind power and wind turbines home production.

對風力發(fā)電各項關(guān)鍵技術(shù)的研究，對我國風能開發(fā)和風電機組的國產(chǎn)化有重要意義毛片福利导航免费。

Transportation systems group, signed a joint venture co-operation agreement, the two sides decided to jointly invest to build Asia's largest wind power gear box production base, and upon completion, will produce various types of wind power gear box is expected to a total investment of 100 million U.S.

據(jù)悉欧美老妇尻屄，根據(jù)美國第一能源集團和美國通用電氣運輸系統(tǒng)集團簽署的合資合作協(xié)議，雙方?jīng)Q定共同投資興建亞洲最大的風電齒輪箱生產(chǎn)基地女人啪啪视频，建成后將生產(chǎn)各種型號的風電齒輪箱欧美涩涩视频，預計總投資1億美元，年產(chǎn)值可達60億元人民幣免费的黄色网站能看A片。

This paper introduces a kind of wind power ring for cleaning contamination on insulator surface in power system, which consists of a insulation ring, the bowls moved by wind, brush ring and scraper.

介紹一種用于電力系統(tǒng)清掃絕緣子表面污垢的風力清掃環(huán)唐人呦一呦二在线播放，它由一個絕緣環(huán)和風力推動碗、毛刷環(huán)三级黄,色、刮板等組成久久惹99精品。

This year, in the Irtysh River Valley, Huadian Group, Guodian plans to invest 1.8 billion of 200,000 kilowatts of wind power projects are under construction; in perennial Alashankou raging winds, with a total investment of 520 million yuan States CLP Group 1 200,000 kilowatts of wind power project to start in mid-November.

今年，在額爾齊斯河谷色e网，華電集團国产乱子露脸久久、國電集團計劃投資18億元的20萬千瓦的風電項目正在建設(shè)中；在常年狂風肆虐的阿拉山口日本jizzjizz，總投資5.2億元的國電集團一期20萬千瓦風電工程11月中旬開工无码操人视频。