水力機組 的英文怎麼說
中文拼音 [shuǐlìjīzǔ]
水力機組
英文
water power set- 水 : 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...
- 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...
- 機 : machineengine
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
- 機組 : 1 [工業] (一組機器) set; assembling unit; machine set; plant unit; team; unit assembly 2 (飛機...
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Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers
由於三峽工程水輪機技術上的復雜性和挑戰性,在左岸電站14臺機組國際招標文件已明確了若干重大技術問題的基礎上,在機組議評標階段,對招標文件進行分析和投標商對投標文件進行澄清說明后,經評議比選,業主又決策了幾個重大技術問題,主要有:水輪機設計水頭的確定,負傾角葉片水輪機的應用,兩套水力設計,舍棄初期轉輪,蝸殼進行水壓試驗等。Inside engine room frame # 14 # 16 portside, starboard side there is sea chest at each side, they are connected by main sea pipe, the sea water pump of main engine, auxiliary engine, general bilge pump, ballast pump, firefighting pump, condensator cooling water pump, and sea water pressure tank can suck sea water from them
機艙內# 14 # 16左、右舷設有海水閥箱各一個,用海水總管相連,可供主機、輔柴油機的海水泵、艙底總用泵、壓載泵、消防泵、冷凝機組冷卻水泵及海水壓力水櫃吸水。With the developing trend of large size and large capacity, the turbine ' s natural frequencies are decrescent, maybe reaching the input forces " order of magnitude. so, it is becoming more and more important to analyze the stability of a turbine
隨著水輪機組朝著大尺寸、大容量的方向發展,其自身的固有頻率也隨之降低,與干擾激振力的頻率屬于同一數量級,因此,水輪機組運行的穩定性就變成更為重要的問題。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
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、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」 。First, the system boundary of machines affecting the shafts, such as the guide bearings, seal, electrical and hydraulic forces, the water in the runner etc, is analyzed. and the mathematic model of the system boundary of the machine is built
本文首先分析了對機組主軸系統影響較大的系統邊界條件,如導軸承、水封、電磁拉力、轉輪處的水體等,並分別建立了它們的數學模型。Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in
並與模型尾水管壓力脈動試驗結果進行對比?結合流動模擬試驗以及動力特性計算結果,全面分析?評定機組的實際運行狀況,劃定運行區域,為電站合理調度Diesel gasoline water pump units : 2 - 4 inch
柴油汽油動力水泵機組: 1寸- 4寸If provided with high pressure pump and water gun, it can make up a hydraulic mechanized earth work unit, used for ground leveling, dredging in rivers and pools, digging, excavation and transportation in small hydraulic engineering, as well as the air defense and underground project in cities
若與高壓水泵,水槍配合,組成水力機械化土方工程機組,就可用作于土地平整,河道與池塘的疏浚、鑿開等小型水力工程的挖方與輸方,以及城市的防空工程,地下工程。Structural dynamic analysis on head cover of gezhouba water turbine set
葛洲壩水輪機組頂蓋結構動力分析研究What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor
本文主要進行了以下工作:分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵,對機組的振動、擺度和壓力脈動測點進行了選擇和布置,並選用相應傳感器進行監測。A nonlinear equation of fluid - solid coupling for vibration of hydraulic - turbines was developed based on finite element method
文中基於有限元法建立水力機組流固耦合振動的控制方程。In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor
水輪機調速器是水輪發電機組一個很重要的自動化調節設備,它由調節器和電液隨動系統組成,在調速器安裝或者大修后都要對其性能和特性進行全面測試,為了方便對水輪機調速器的測試,特開發水力機組調速系統實時動態模擬儀,該模擬儀具有三種功能:對調速器調節對象(有壓引水系統、水輪機、發電機和電網)進行模擬、對調速器電液隨動系統與調節對象進行模擬和作為實時測試系統監測調速器的工作是否正常。Based on the theory of valve stroking, the mathematical models and their numerical methods of valve stroking in specified time with pressure constraint are proposed for the hydraulic pipe - turbine system in pumped storage plants, the models and their solving methods are also proposed for the complex hydraulic pipe - turbine systems with the practical programmes under the conditions of hydraulic transients
摘要對于整體可控的水力機組系統,在過渡過程計算中可直接應用閥調節原理,本文提出了不帶調壓室的簡單管道及分叉管道系統限時閥調節和限壓閥調節數學模型及其求解方法,並對此進行算例分析。The differential equation of pump station start - up transient is established and derived from discharge balance and moment equation of pump unit
摘要本文從水量平衡及水泵機組力矩方程出發,建立起水泵從起動到同步的微分方程式。In foreign trade field, company focuses on the international engineering contract, project bidding, complete device exporting and other fields such as metallurgical machinery, mine machinery, universal machinery, light industrial machinery, hardware tools, foods machinery, steel structure workshop, water power station water power generator set, traffic, energy sources, communication, building materials, household apparatus and textile
對外貿易以國際工程承包項目招標成套設備出口及冶金機械礦山機械通用機械輕工機械五金機械食品機械鋼結構廠房水力發電站水電機組火力發電站火電機組交通運輸能源通訊建築材料家用電器紡織品等領域為主。Based on the actual condition of gezhouba hydroeletric power plant, this paper points out the basic way for unit increasing capacity rebuilding of this plant after serious analysis and site review of lots of information of unit increasing capacity of hydroelectric unit at home and abroad. for this rerebuilding plan, we have made a lot of experiment and analyzed the data, the result show that the unit increasing capacity is necessary and feasible in this plant, additional, this paper describes project management, organization struture, management method, and evaluates this project value
本文對國內外眾多水電機組增容改造資料進行了認真研究和實地考察;通過對水力發電機組增容改造技術的研究,結合葛洲壩電站實際情況提出了葛洲壩電站機組增容改造的基本途徑;針對葛洲壩電站機組改造方案,進行了大量的試驗,認真分析了試驗數據,用試驗結果充分證明了葛洲壩電站機組增容改造的必要性和可行性;本文還就該工程項目管理的必要性、組織結構、管理方法進行了闡述,並對該項目進行了項目評估。As the basic work of the designing and evaluating of fuzzy gpss, the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine, two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ), the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator, the model of exciting system and the model of governor
作為設計和評價水電機組模糊gpss的基礎,本文歸納建立了簡單水電系統穩定分析與控制的數學模型,它包括:計及彈性水擊的水力系統線性化模型、混流式水輪機線性化模型以及在此基礎上的水力系統?水輪機線性化模型;單機無窮大系統兩種詳細程度不同的線性化模型,即k _ 1 - k _ 6模型和c _ 1 - c _ ( 12 )模型;基於同步發電機三階模型的單機無窮大系統非線性模型;勵磁系統和調速器模型等。Abstract : a thermo - economical diagnostic mathematical model for pressurizedwater reactor ( pwr ) nuclear cogeneration plant is proposed based on heat assignment method. this model simplifies the calculation of thermal system and can be used to calculate the index variations caused by heating steam parameters as temperature, return percentage and return place of the return water. some examples are given to show the usefulness of this model
文摘:基於熱電聯產機組熱量法分配的特點,建立了熱電聯產壓水堆機組熱力系統發生變化對熱經濟性指標影響的計算模型,提出了供熱系統參數? ?供熱回水率、回水溫度、回水地點變化對壓水堆機組熱經濟性影響的定量診斷數學模型,可將復雜的熱力系統全面計算簡化成3個一次方程.通過實例計算,驗證了所提數學模型是正確可行的,同時具有概念清晰、計算簡捷的特點Abstract : large horizontal axis wind turbine ( hawt ) runs in complicated environment, the load it endured is also very complicated. as the wind turbine become larger and because of the usage of the flexible tower and the glass fiber blade in hwat, the static and the dynamic problems of the hwat and it ' s component become more and more important
大型水平軸風力發電機組運行在復雜的自然環境中,所受載荷情況非常復雜,而且隨著風力機組的大型化發展,柔性塔架的出現、玻璃鋼葉片的應用,使得風力機及其零部件的靜動態問題更加突出。Unfortunately, there is a big difference between the vibration of water turbo - generators and other rotating machines. the nature of the coupling arised by hydro -. mechanical and electrical factors, no unique relationship between the specific faults and associated vibration features and additionally the super - imposing of various vibrations at a certain position of a unit make it difficult to ascribe the severity of vibration in accurate words
然而,水輪發電機組的振動與其他旋轉機械的振動有很大不同,水力、機械、電氣三方面因素引起的振動形成的耦聯、振動故障與振動特徵的非一一對應性及多種振動在某部位的疊加,形成了水輪發電機組振動的復雜性,很難用準確的語言來描述振動的程度及振動是否存在,這就給振動原因的分析帶來一定困難。分享友人