輪機電力推進 的英文怎麼說

中文拼音 [lúnjīdiànlìtuījìn]
輪機電力推進 英文
turboelectric propulsion
  • 輪 : Ⅰ名1 （輪子） wheel 2 （像輪子的東西） wheel like object; ring; disc 3 （輪船） steamer; steamboa...
  • 機 : machineengine
  • 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...
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 進 : 進構詞成分。
  • 輪機 : turbine
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  • 推進 : 1 （推動工作 使前進） push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  1. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  2. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  3. On the base of keeping the same law of motion of original thread - taking - up pole of computerized embroidery machine and relevant sizes, the disc cam with pushing bar of roller of linear motion along the axis with the spring force closure is used to design a new thread - taking - up mechanism

    摘要保持原有電腦刺繡機挑線桿運動規律和相關尺寸不變，採用對心直動滾子推桿盤形凸輪機構，輔以彈簧力進行鎖合，對原挑線機構進行了創新設計。
  4. In the bible, the book of revelations says, " i stand at the door and knock. if anyone will open the door, i will come in to him and i will eat with him. " revelations 3 : 20 we push the button and we allow the power and the force of jesus christ to come into our lives and go through our lives and empower us with his spirit and his goodness

    1972年， gamal abdel nassar總統為水壩主持開幕禮，他走進去，按下按鈕，他一按按鈕，水就開始流過渦輪機，渦輪機開始轉動，電力開始輸出，埃及蘇丹和鄰近地區都被照亮了，那按鈕並不能製造電力，它只是把能量釋放出來，電力是由水塘里二千億立方碼的水製造的，水流過水壩，推到渦輪機造成電力，我們跟神的關系也一樣，我們邀請耶穌基督進入我們的人生，這就是按按鈕。
  5. The equation can solve bearing load distribution in multi - support rotor - bearing system by generalizing. 200mw generator set, 300mw generator set and 600mw generator set were analyzed and computed. the results indicate that the values of numerical calculation have a good agreement with known performances

    本文分析了汽輪發電機組軸系的動力特性，建立了大型汽輪發電機組軸承負荷分配計算的矩陣方程，該方程可用於計算軸承的負荷，並用實例說明了求解方法，該方程可推廣到求解多支承轉子?軸承系統的軸承負荷分配，對200mw機組、 300mw機組、 600mw機組進行了分析計算，結果表明理論計算和實際情況一致。
  6. As a new - style land vehicle, the magnetic levitation vehicles rely on electromagnetic forces to suspend the train on the railway and advance by linear synchronous motor. they can run placidly at high speed without wheels and transmission machines. since the magnetic levitation vehicles have low maintenance prices and circumstance pollution, they have favorable development foreground

    作為新型的陸上交通工具，磁浮列車依靠電磁力將列車懸浮於軌道上，用直線電機推進，它沒有車輪及相應的傳動機構，與地面無機械接觸，可以高速、平穩地運行，並且運營維護費用低，無環境污染，具有良好的發展前景。
  7. In this paper, i give a concise method on the modeling of the robot assembly cell, put forword a practical method on the reliability calculation of the system, deduced a dynamic equation of the scara robot and have made an analysis on it, finished the gear - reduction - servo - motor integrated transmission design and applied it on the robot joint, made a detail description on this device at the same time

    在本文中我提出了一種簡單易行的機器人裝配單元建模方法；詳細給出了單元可靠性分配計算的兩種方法；推導該scara機器人動力學顯方程，並運用它對系統進行相應的分析；設計出一種伺服電機? ?齒輪減速器一體化關節傳動裝置，同時給出相關的技術描述。
  8. 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站、起貨機械、冷藏和空調裝置、制淡水裝置以及飲水、蒸汽、壓縮空氣、壓載、艙底、消防等系統。船舶動力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上輪機部具體負責實施。因為船舶動力裝置的復雜性、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。
  9. This company have been engaging manily in saling some n & h technology facilities which was provided by foreign corporation to the plant in some sector such as sinopec, petrochina, cnooc and power generation etc., and was a unique representative in china of some famous trademark including steam turbine, compressor, valve, pressure transmitor, flow - meter, level - meter and control system etc

    我公司主要從事國外進口機械、電氣、儀表等高新技術設備在國內石化、石油、海油、電力等行業的銷售推廣等業務，並且是一些知名品牌的汽輪機、壓縮機、閥門、壓力變送器、流量計、液位計、控制系統在中國的唯一指定代理。
  10. In order to facilitate the advancement of micro - fabrication and micromachine technologies, development of measurement methods for both profile and dimension of micro - components are essential. one of the methods available for this is a small three - dimensional profile measurement apparatus with micro - probes. for such an apparatus, the probes must be fabricated with optimal shape for individual part measurement. in this research, micro - electrical discharge machining ( micro - edm ) which has extremely small machining force and is applicable for fabrication of various types of probes, is used for probe manufacturing. various types of probes which are installed to the small three dimensional profile measuring apparatus based on principle of scanning tunneling microscopy ( stm ) are fabricated by the proposed method. the probes fabricated have been successfully used for the measurement of several micro - parts and the results show the effectiveness of the proposed method

    為了推動微加工和微機械技術的進步，微型零件輪廓和尺度測量方法的發展非常重要.可行方法之一就是使用帶微探頭的小型三維輪廓測量儀.這種儀器的探頭必須針對某個零件的測量，按照最佳外形製造.微放電加工有著極小加工力，可用於各種探頭的製造，本研究中用它進行探頭加工.用這種方法製造了多種探頭，將其裝在基於掃瞄隧道顯微技術（ stm ）的小型三維輪廓測量儀上.所製造的探頭已被成功地用於各種微元件測量，結果表明此方法可行
  11. The transfer would move control of the listed firm to shanghai automotive group co., a new unit set up at the end of 2004 to pave the way for parent shanghai automotive industry group corp. saic to list overseas or at home in a public offering that could raise as much as us 2 billion in 2005 or beyond. saic, china s top one car maker and gm s main partner in china, set up the new holding firm for its car assets in a revamp ahead of the long - awaited ipo

    客車工業是綜合現代機械工業和現代先進材料電子工業的資金密集型產業，具有產業鏈長對相關工業帶動力強的特點，揚州有良好的造車基礎，有豐富的造車經驗，更有一批技術銷售人才，把客車工業作為我市經濟發展的支柱產業，可以形成產業集聚，對提升我市產業結構，加大經濟總量，提高綜合競爭力，推動揚州經濟新一輪增長將提供持久的動力。
  12. Turbo electric propulsion

    渦輪機電力推進
  13. Since 1991, our country has imported the elastic metal plastic tile from the former soviet union to use in the thrust bearing of large scale hydrogenerator, which has played important role in solving the tile burning failure so as to enhance the operation reliability of the generating unit

    我國從1991年開始從前蘇聯引進彈性金屬塑料瓦用於大型水輪發電機的推力軸承上，對解決燒瓦事故，提高機組的運行可靠性起到很大作用。
分享友人
分享到 Line

分享到臉書