電力風動的 的英文怎麼說
中文拼音 [diànlìfēngdòngde]
電力風動的
英文
electropneumatic- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 的 : 4次方是 The fourth power of 2 is direction
- 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
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Those and other wealthy nations are investing in windmill - powered plants that turn seawater to drinking water, in flood barriers and floatable homes, and in grains and soybeans genetically altered to flourish even in a drought
這些國家與其他富國正投資建設由風力發電設備驅動的將海水淡化為飲用水的工廠,同時還在投資建設防洪堤、水上漂浮住宅、以及能在乾旱條件下生長的轉基因穀物與大豆。But with wind power capacity enlarging constantly and stochastic and incontrollable wind energy, wind asynchronous generator " s frequent startup will take inverse impact to wind power system stability, which is one of the most important restricting factor on wind power " s large - scale development
然而,隨著風電裝機容量的不斷擴大,風能的隨機性和不可控性,使得相對頻繁起動的風力異步發電機,對風電系統穩定性的影響也愈來愈大,成為制約風力發電規模發展的主要因素之一。Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power
本文結合配電網潮流程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應,對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究,提供了可靠的理論根據,有重要的現實意義。Some people living near wind farms complain they are kept awake by a phenomenon known as aerodynamic modulation ( am ), low frequency noise made as the blades swoosh through the night air
有些住在風力發電廠附近的人抱怨,他們因為一種稱為空氣動力調變的現象,即輪葉的颼颼聲劃過夜空,產生低頻噪音,以致無法入眠。Guilin tailian hotel is a three - star hotel, located in the central city of guilin, with the architecture area about 22000 square meter, adjoining to store building of guilin. surrounding two rivers and four lakes, elephant trank hill. central square etc. tourist attractions, it is very convenient for travel, shopping and traffic. room intro there are suite, standard room, triple room, couple room king size bed, family room one big and one small bed etc. deluxe room about 200 in the south and north building. in rooms, there are mini - bar, satellite tv program, drinking machine, drier, air - conditioner etc. facilities. and there is the broadband internet service of high speed in the north building
酒店南樓北樓擁有套房標準間三人間夫妻間大床間家庭間1大1小床等設備全的豪華客房二百間,客房內設有迷你冰箱衛星電視節目電熱水壺或飲水機電吹風空調等服務設施,北樓房間設有高速寬頻介面,可免費供您上網,為您的商務活動助上一臂之力。The draft is also good on the power play a stimulating role plates, such as anhui to electricity, such as tin fu thermoelectric have appeared 漲 停 ; in addition, the rehabilitation of agricultural products every day 漲 停 the shock after under the recently also started the plate, such as water in the fishing industry, kang biological, and other days there 漲 停 ; the two sides also offer acupuncture, nam fung chemicals, such as chlor - alkali and jin also 漲 停, the military concept of the space momentum in nuclear science and technology have appeared 漲 停
雖然銀行股處於一定的回調整理局勢,但以海通證券和成都建投及東北證券為首的券商股保持積極的活躍度,紛紛出現漲停;同時在寶鋼股份漲停的激發下,西寧特鋼、武鋼股份、濟南鋼鐵、酒鋼宏興等均都出現較大幅度的拉升,並帶動有色金屬的承德釩鈦、馬宏鋅鍺出現漲停;另外,長江電力的漲停也是對電力板塊起到良好激發作用,如皖能電力、天富熱電等紛紛出現漲停;除此之外,在農產品復盤後天天漲停的激發之下,近期該板塊也開始啟動,如水中漁業、天康生物等出現漲停;還有化工的兩面針、南風化工、錦化氯堿等也出現漲停,軍工概念的航天動力、中核科技等紛紛出現漲停。The large concrete structures, such as bridges, safety hull of nuclear power plants, sea oil plateforms et al. are subjected to not only static loads, but also dynamic loadings such as vehicles, nuclear power, wind, wave, water flow and violence earthquake
許多大型的混凝土結構工程,如橋梁、核電站安全殼、壓力殼、海上採油下臺等,不僅受到靜載荷的作用,還要受到諸如車輛、核動力、風、浪、水流和強烈地震等動荷載的作用。According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger
摘要針對螺旋槳飛機模型帶動力風洞實驗要求,通過氣動性能分析提出驅動電機的技術指標,在滿足結構約束的條件下,通過合理設計電機的電磁負荷、校核發熱、採用高效冷卻裝置等,研製出短時工作制高功率密度三相異步電機。This paper discusses every kind of risk in laws, management system, personnel, market structure, infrastructure, emergency system, safety management, combines the active safety evaluation methods with risk conception, and brings a method of multi - stage fuzzy comprehensive evaluation and gives detailed numerical examples. the systematic way of risk control to is put forward in safety evaluation dynamic management system, law system, management system, economic method, personnel, scientific method, revolution relationship and grid construct, and according to inland and outland status, a management system of " three standards together " is also presented to give consult in the safety management of the grid enterprises in our country
從法律法規、管理機制與人員素質、市場結構、基礎設施、應急機制等多個方面系統論述了電網企業在安全管理中所面臨的各種風險;基於當前電力企業中所採用的安全性評價方法,將現有方法與風險理念相結合,提出了安全評價的多級模糊綜合評價方法,通過算例進行了的說明;針對風險識別中得出的電網企業所面臨的多種風險,分別從安全性評價動態管理體系、法律體系、管理體系、經濟手段、人員素質、科技手段、改革關系和電網建設等多個方面提出了系統的風險控制辦法,並結合國際、國內的現狀提出了「三標一體」的管理體系,以期對我國電網企業的安全管理工作提供一定的參考。With the electricity generated, the station automatically measures the wind and temperature there and sends the data back to hko by wireless transmission
該站只靠風力發電來維持站內儀器的運行,自動的量度風速風向及氣溫,並將資料經無線電傳送回天文臺。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。The model of fujian power grid and models of generators, excitation systems, governor systems and loads are established, the tested excitation system models of large hydro and thermal units, the model of wind turbine are established as well in this paper with pss / e, a new software imported from pti of u. s. a. recently. some key points are proposed on data convertion from psasp and bpa to pss / e. the transient and dynamic characteristics between separate excitation system and transformer - fed excitation ( self excitation ) system are compared with pss / e
本文完成了pss e的福建省電力系統的基本框架以及發電機、勵磁系統、調速系統、負荷的數學模型和參數,實現了大型水、火電廠發電機組勵磁系統實測模型和風電機組的pss e建模,提出了pss e與bpa 、 psasp數據互轉的部分要點,比較了福建電力系統現有大型水、火電廠發電機組它勵與自並勵勵磁方式的動態和暫態性能的差別。Numerical simulation of along - wind response of transmission tower
架空輸電鐵塔動力風響應的數值模擬Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world
主要對濃縮風能型風力發電機在正常運轉時,噪聲產生的機理進行了理論分析研究,並與普通型風力發電機的噪聲進行了對比實驗分析;利用現代聲學測試手段對兩類機型進行測試與分析,得出濃縮風能型風力發電機產生噪聲低於普通型風力發電機和葉輪是風力發電機產生噪聲的主要部件的結論;通過對兩類機型的噪聲、輸出功率的測試,得出隨著風速的增加,兩類風力發電機的輸出功率在增加,產生的噪聲也在增加的結論;提出了進一步降低濃縮風能型風力發電機噪聲的措施,從主動降噪方面,研製低額定轉速的發電機;從被動降噪方面,採用微孔穿板的降噪結構;為研究開發一種國際上低噪聲、高水平的風力發電機打下了良好的技術基礎。This valve is widely used in the pipe system such as venting , environment protection, cont - rolling smoke and collecting waste heat in building material, glass, mining, power, light industry and papermaking departments
電動高溫蝶閥,普遍適用於建材、玻璃、礦山、電力、輕工、造紙等行業的通風、環保工程、煙氣治理、熱能回收等管道系統中。The suck - wind machine need to intake a lot of wind in the synthesis ammonia section transform furnace, the quantity is at l 00000nm ' / h, so the diameter of the wheel is about 1 meter. the motor driving it need higher power for meeting the startup torque
負壓運行爐的引風機要求吸風量大,一般都在100000nm 』 i以上,因此風機輪毅直徑設計的都較大,大都在1米以上,這樣為了克服風機的大啟動力矩,風機所配置的拖動電機功率也非常大。He specialises in power electronic converters for variable speed windmills and medium voltage drives designs for ac motor drives from, high speed micro turbine and variable speed gen - sets, innovative circuits for ups applications, traction applications in trains, trolley - buses and trams, battery driven vehicles, automotive drives and fuel cell applications
施雷伯先生的專長是研究變速風力發電機的電力電子變換器和用於交流電動機驅動的中壓電力電子設計,從高速微型燃氣輪機和變速機組,用於ups應用的新型電路,歐列車中的牽引應用,無軌和有軌電車,電池驅動汽車,汽車驅動和燃料電池。Our products not only adopt multitudinous international famous diesel engines including cummins, perkins, johndeere in u. s. a, man in germany, deutz in germany, doosan former daewoo in korea and etc, but also use many excellent and well - known diesel engines in china including dongfeng from shanghai diesel engine co., ltd, wandi from wuxi wan di power engineering co., ltd., chidong from jinan diesel engine co., ltd., chenfeng from csr ziyang locomotive works diese engine factory of sichuan and etc. the generators are the worldwide famous brushless generators of such international brands as leroy - somer, stamford, mrathon and etc
奧斯福電力系統採用國際著名品牌柴油機,包括:康明斯cummins英國珀金斯perkins美國強鹿johndeere德國曼man德國道依茨deutz韓國斗山原大宇等同時採用國內名優柴油機,包括:上柴「東風」無錫「萬迪」濟南「馳動」四川「晨風」等。發電機採用利萊森瑪leroy - somer斯坦福stamford馬拉松marathon等國際品牌的無刷式發電機。New material for the second edition includes : kinetic energy ; temperature and resistance ; sawtooth waveform ; fundamentals of digital communication and data transmission ; industrial processes ; cells and batteries ; wind and solar power ; cds, dvds, mobile phones ; and the latest led technology
新材料為第二版,包括:動能;溫度和阻力;鋸齒波形;基本面數字通信和數據傳輸;工業過程;電池;風能和太陽能發電;光碟,光碟,手機;以及最新的技術主導。The blades require a relatively low wind speed, a little over 10 kilometres per hour, to start turning. at a wind speed of 20 kilometres per hour commonly experienced at hilltops and exposed places of hong kong, the generator is capable of generating 50 watts of electrical power, sufficient to support an automatic weather station
這些車葉不需太大的風速,即稍稍高於每小時10公里,便可轉動。以香港多處的山頂和當風地點來說,一般都有每小時20公里或以上的風速,風力發電機可產生50瓦特電力,足夠應付一個自動氣象站的需要。分享友人