水上動力站 的英文怎麼說

中文拼音 [shuǐshàngdòngzhàn]
水上動力站 英文
floating power barge
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 上名詞[語言學] (指上聲) falling-rising tone
  • : 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...
  • : Ⅰ動詞1 (站立) stand; be on one s feet 2 (停下來; 停留) stop; halt; pause Ⅱ名詞1 (停車點) st...
  • 水上 : water; overwater; water borne; aquatic水上芭蕾 water ballet; aquathenics; 水上城市 aquapolis; 水...
  1. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外控制裝置的研究和發展狀況,尤其是國內小型的自化現狀,針對現有電部門的需求,設計並實現了一種單元式的微機自監控裝置,該裝置不僅實現了對內各種模擬參數和數字信號的實時監測功能,還對輪發電機組進行了調控,通過與位機處理程序的配合,可以實現的自發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。
  2. It can serve for synchronous spinning reserve, load following, frequency control and synchronous condenser operation. due to the difficulty of quantitative calculation, the typical cases on dynamic function of pumped storage plant are qualitatively analyzed in this paper

    蓄能電具有運行靈活、啟迅速的特點,其在電系統的」態效益主要表現在緊急事故備用、負荷跟蹤、調頻和同步調相
  3. Ln power system full dynandc simulation, the electric - mechanical transient processes of dynamic elements of power system should be simulated in detail, and the detailed dynandc models of mid - term and long - term processes are necessary based on the research and analysis for the ndd - term and long - term models, the dynandc models, such as thermal power plant, hydraulic power plant, nuclear power plant and the automatic generation control ( agc ), which are necessary to power syst

    系統全過程態模擬除了需要詳細模擬電系統態元件的機電暫態過程外,還要有詳細的中長期過程的模型。本文在綜合調查和分析的基礎,研究了電系統全過程態模擬所需要的火電廠系統的數學模型、電廠態模型、壓堆核電模型以及自發電控制( agc )模型及其演算法,並在電系統全過程態模擬軟體中得到了實現。
  4. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電平著眼,對變電電壓無功控制應用方面的問題進行了研究,本文首先簡要回顧電壓無功控制的發展概況,著重指出了現有電壓無功控制裝置的缺陷;通過理論分析,在討論電系統電壓、無功調節特點以及電壓無功總體控制原則的基礎討論了變電電壓、無功控制特性以及控制原理,給出了變電電壓無功的控制規律;考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響,針對電壓、無功的各種運行控制區域給出了相應調節策略。
  5. The inner - plant economical operation of lijiaxia hydropower station is studied based on the disadvantageous operating mode area of the units determined by school of civil engineering of tianjin university and the actual operating experience of the lijiaxia hydropower station in the last a few years

    摘要以天津大學建築工程學院確定的李家峽機組的不利工況區為依據,以近幾年來該的實際運行經驗為參考,在綜合考慮機組初始運行狀態、機組振特性、機組出、下泄流量、庫蓄量和電網負荷平衡等因素的基礎對李家峽的廠內經濟運行進行了研究。
  6. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽雙排機組振的現場試驗研究,並且針對傳統頻譜分析方法傅立葉變換( fft )對于非平穩信號已不從心這一缺陷,利用小波分析方法在時域和頻域同時具有良好的局部化性質,通過對開停機這一典型非平穩過程信號進行小波及小波包分析,將其分解到不同頻帶內,獲取微弱信息和提取優勢頻率,並對其作振源分析,得出開停機初始時刻因流不穩均出現強烈的振現象,且低頻段信號能量最大,開停機過程流脈和尾渦帶擺是引起定子基礎振的主要原因。
  7. In the paper, we firstly acknowledge the characteristic of rainfall kinetic energy and runoff energy, current state and the development of erosion dynamic process by consulting a large number of domestic and foreign literature datum. on the basic, we systemically coordinated the eroded datum of runoff plots of soil and water conservation stations at xifeng, tianshui, suide, and chunhua et al

    本文首先在查閱了大量國內外文獻資料,全面了解降雨能與徑流能量的特性及侵蝕過程等方面的研究現狀及最新進展的基礎,系統整理了西峰、天、綏德及淳化泥河溝等土保持試驗的徑流場侵蝕資料。
  8. 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、核電安全殼、壓殼、海採油下臺等,不僅受到靜載荷的作用,還要受到諸如車輛、核、風、浪、流和強烈地震等荷載的作用。
  9. Daoguanhe rerservoir is a typical hill type reservoir in wuhan, china. its area for fish culture is commonly 467ha. periphytic algae and periphytic protozoan including species, the content of chl. a and primary productivity et al, were studied from april 2000 to january 2001

    本文從2000年4月至2001年元月按每季度采樣一次,對道觀河庫按游、中游、下游設置的三個采樣作了周叢藻類、周叢原生物的群落結構和漁產潛的研究,結果表明: 1
  10. The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system

    實際,抽蓄能電的容量效益與電網的負荷平、負荷曲線形狀和常規電的比重有關,而節煤效益除與負荷平、負荷曲線形狀有關外,還與電網的電源結構、火電機組的特性有關。
  11. Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - machine sets in hydraulic power and pumping plants

    機械振.在非旋轉部件測量評價機械振.發電廠和泵機組
  12. Hydroelectric power exploitation can reduce sediment disposal, lengthen life of power plants in lower stream, control stream, better water quality, and reduce contamination etc. considering the structure of power of sichuan province and pointing out its six problems in power development, this thesis comes up with sustainale development strategy of sichuan hydroelectric power exploitation, that is, prefentially exploit large scale hydropower plant which has good water - adapting capability, comprehensively use water resource, try to reduce cost caused by drowning, stimulate rotating exploitation, well deal with settlement of people in hydroproject construction, and alleviate contamination

    論述電開發在減緩泥沙淤積、延長下游壽命、調控流、提高供量、改善質、提供清潔能源、減少環境污染等方面對長江游生態屏障建設的作用。本文研究分析了四川電開發的可持續發展戰略,首先對四川省電結構現狀進行了分析,指出目前四川電發展存在的六個主要問題,從優先開發具有良好調節性能的大型、綜合利用好資源,盡最大可能減少庫淹沒損失,積極推進流域梯級滾綜合開發,處理好庫移民關系,減輕對環境的不利影響等六個方面論述了電開發的可持續發展戰略。
  13. The flow of every pump is inclined to be different in the same side - inlet sump and the poor flow pattern, and then the inlet condition of the pump is not good, which makes the efficiency of the pump drop and causes vibration etc. based on the theses on the hydraulic characteristic of the wenshui road pumping station in the third period shanghai disposal sewage project, the methods were discussed to improve the flow pattern of side - inlet sump, and the measures were put forward to ameliorate the flow pattern in the paper

    對側向進池,一般會出現同池各泵配不均勻,池內流態紊亂、泵吸條件差,繼而導致泵效率下降、機組振等問題。本文結合海市污治理三期工程汶路泵特性研究課題,探討了改善側向進特性的途徑與方法,提出了有效的整流、均流措施。
  14. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面: 1 )收集整理漫灣大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣砼重壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣砼重壩運行狀態分析系統;實現了對漫灣運行狀態的態「反演-預測」分析; 4 )利用漫灣砼重壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎,系統的分析並預測了大壩運行狀態。
  15. Based on the previous studies, the 2 - d laterally averaged temperature model for the temperature prediction of the huge and deep reservoir is developed in this paper. in the mean while, the movement mechanism of the turbulent buoyant flow in reservoir and the rule of the thermal stratification forming, developing and varying are probed. the model is then applied to the huge reservoir of xiluodu on jinshajiang river and the cascade power stations on yalongjiang river

    本文在總結前人研究成果的基礎,探討了庫湍浮流的運機理,以及溫度分層的形成、發展和變化規律,建立了適用於大型深溫預測的立面二維溫模型,並應用於超大型庫? ?金沙江溪洛渡和雅礱江梯級電庫的溫預測,取得了一系列創新性研究成果。
  16. Based on the analysis, we gave an example to study the dynamic contact with friction of the intermittent joint, and got some essential rules : the friction coefficient could n ' t influence the distributing of dynamic stress on the contact surface, and the roading rates affected evidently on the dynamic characteristic on the contact surface. in the last part, this paper made respectively use of the time - history method and the response spectrum method to analyze the dynamic response of the rock slope on baise hydraulic power plant, and got the coincident resultant. simultaneously, the contact theory was applied to study the stability of the intermittent joints

    基於述的接觸理論和接觸分析結果,本文在最後一部分中分別利用時程法和反應譜法對百色渠的巖質邊坡進行響應分析,兩者計算方法得出比較一致的結果,同時採用摩擦接觸理論重點分析了斷層對于邊坡的穩定影響,認為斷層的存在會使得巖坡的穩定性降低,在地震等荷載的作用下對于斷層將發生張開、閉合和錯現象,尤其是荷載和其他荷載如滲流等的耦合作用將會對斷層產生極為不利的後果,進而影響巖坡的整體穩定,應該要引起足夠的重視。
  17. Main propulsion equipments have been gradually improved. in addition, some additional systems are provided, such as the power station, deck machinery, refrigeration and air condition plant, freshwater generators, drinking water system, steam generating system, ballast and bilge system, and fire fighting system. the management of ship ' s power plant is also known as the engineering management, which is supervised and controlled by the engine department under the direction of the company ' s engine technology management department of the headquarters. owing to the complexity of power plant, the changeability of navigational conditions, and the seriousness of accident ' s consequences, it is essential to explore how to manage the power plant economically and reduce the occurrence of troubles so as to raise the shipping efficiency

    隨著科學技術的發展,不僅推進設備逐步得到完善,而且還增設了諸如船舶電、起貨機械、冷藏和空調裝置、制淡裝置以及飲、蒸汽、壓縮空氣、壓載、艙底、消防等系統。船舶裝置的管理即輪機的管理,是在船公司機務部門指導下由船輪機部具體負責實施。因為船舶裝置的復雜性、船舶航行條件的多變性、發生事故後果的嚴重性,所以探討如何對輪機進行經濟性管理,減少故障,從而提高船舶的營運效率非常重要。
  18. Targeting at the appraisal for economical benefit and performance of pumped storage station ( so called pss ), the writer carried out a comprehensive analysis of static and dynamic benefit and performance on the basis of the practices of reform in china ' s electric power market and specific appraisal cases for pss in the past. then under the condition of separation of generation and grid, the writer defined the integrate economical benefit and performance of pss for the possible parts concerned, as while, taking both the current practice and the possible mechanism for investment, operation and price - determination, the writer described relevant industrial policies and gave a policy suggestion

    本文針對抽蓄能電的經濟效益評價問題,結合我國電市場改革的實際,在以往抽蓄能電經濟效益評價的基礎,對其靜態效益和態效益進行了全面的分析,並考慮在廠網分開條件下,針對不同利益主體對抽蓄能電的綜合經濟效益進行界定,同時結合現實以及可能的投資運營管理模式和價格機制,探討了的相應的配套產業政策,並提出政策建議。
  19. Abstract : corresponding on the overall attangement of middle and small pumping station, this paper advance a frame structure form and some view of the design is put forward forreference

    文摘:就中小型抽的總體布置問題,提出一種渡槽引渡式的結構形式,較之傳統式方案能節省20 %左右,節省工程量30 %以。同時還就渡槽式抽的設計,提出幾點粗淺的看法,以供大家參考和討論。
  20. As a project financed by yunfeng and ming tomb hydroelectric power station, the study on " mathematical model for dam safety monitoring and dynamic inverse model for underground power house " was conducted. according to the data observed in - situ, the under - fitting problems in regression models for dam safety monitoring were discussed, and the computational parameters and boundary conditions of underground structures were determined on the base of dynamic inverse mathematical model

    本文利用大壩運行監測資料和廠房結構的振測試數據,對工建築物的正反分析模型中的相關問題進行了探討,分析了大壩安全監測回歸模型存在的欠擬合現象,建立了通用的結構最優化反分析模型,實現用戶優化演算法對復雜結構的直接調用和優化計算,在計算模型方法的基礎對雲峰寬縫重壩的安全狀況和十三陵抽蓄能電反演問題進行實例分析。
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