機組段 的英文怎麼說
中文拼音 [jīzǔduàn]
機組段
英文
anlagensektion-
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。There will eventually be a total of 12 turbines on the right side of the three gorges dam, which is in the midsection of the yangtze, china ' s longest river
三峽大壩右側未來一共將有12個水輪發電機組。三峽大壩位於中國最長的河流長江的中段。Parol education which lies in the basal period of language and lecture education in school, is an organic component of the education of language and lecture subject, and lays the cornerstone of life
幼兒園言語教育是語文學科教育系統的一個有機組成部分，是學校語文教育的基礎階段，也是人生的奠基課程。Along with the implementation of experiment of straight power supply to big consumer step by step, as the largest rundle hydropower station in our country, we must consider straight power supply to big consumer ( a new electric power marketing ) with the electric power of gezhouba - three gorges as an important composed part of electric power marketing, let it become to one of the important means of gaining the more benefits to our company
直供電作為一種新的營銷模式，隨著大用戶直供電試點工作的逐步展開，作為我國最大的梯級電站，必須把三峽?葛洲壩的電力直供作為電力營銷的有機組成部分，作為實現公司效益最大化的重要手段之一。論文在分析了三峽區域潛在的直供對象后，提出了三峽電力過網直供和專線直供的思路。The compact version of the plant is essentially composed of a 2 - stage plane - tary extruder, 3 - roll calender, embossing unit, take - off and cooling unit, automatic unwinder for the substrate, pull unit, thickness gauge and control system and automatic winder
該生產線的緊湊型主要由一個2段行星螺桿擠出機、三輥壓延機、壓花機構、接取和冷卻機構、基材自動退卷機、牽引機構、厚度測量計和控制系統及自動卷取機組成。By using a same boundary dimensions high efficient and new type copper exchanger substituted carbon steel oil condenser, and increasing flow rate of circulation water to reduce the temperature of freezing oil which feeds into compressor stage, to eliminate the malfunction during compressor operation, and improve running efficiency of the machine
採取將碳鋼材質的油冷卻器更換成等外形尺寸的高效新型銅管換熱器、增加循環水流量的方法，降低了進入二段壓縮機冷凍油溫度，排除了壓縮機運行中的故障，改善了機組的運行效率。Application of the sx three functions - wet type deduster in mixing system of hegang sintering plant
濕式三效除塵機組在合鋼燒結廠混料工段的應用Complete sets of equipments of making milk flavor small bread include : vertical flour - mixing machine, flour - pressing machine, flour - rubbing machine, cover - pressing machine, rub and roll machine, cut from sections machine, tunnel stove, etc., usually the production line is made up of two sets of shaping equipments and a tunnel stove
製作乳香小麵包的全套設備有：立式打粉機、壓面機、揉面機、壓皮機、搓卷機、切段機、隧道爐等，通常由二套成型設備和一臺隧道爐組合成生產線。Based on research of wind turbine aerodynamic characteristics, this paper analyzed various control methods for a pitch - controlled system of variable - speed and constant - frequency wind turbine at a wind velocity range higher or lower its speed rating respectively
摘要在風力機空氣動力學特性分析的基礎上，討論了變速恆頻風力機組變槳距機構在低於額定風速階段和高於額定風速階段的不同控制策略。Compared with fix - pitch wind turbine, the variable - pitch wind turbine has the virtue : stable output power over rated power, high wind power coefficient, holding rated power at high wind speed, good starting and shut - off etc.
變槳距風力發電機組與定槳距風力發電機組相比，在額定功率點以上輸出功率平穩、具有較高的風能利用系數、能夠確保高風速段的額定功率、起動性能與制動性能好等特點。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
摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上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水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。It is suitable for unit with a water head higher than 500 meters, and it has been successfully used in the units with a water head of 600 - 800 meters
適用於500米以上的高水頭機組，已分別在600 - 800米水頭段的機組中成功使用。The mathematical model of diesel - generator set in the mechano - electronic transient process is proposed in this paper, the pulsation and delay of diesel torque are analyzed, the relation between diesel torque and diesel rotational speed together with injection pump rack bar displacement is described exactly. the motion law of diesel - generator set is revealed all - sidedly and nonlinear problem of diesel - generator set is settled by piecewise linearzation method
本文提出了柴油發電機組機電暫態過程的數學模型，分析了柴油機轉矩的脈動和滯后，準確地描述了柴油機輸出軸扭矩與柴油機轉速和噴油泵齒桿位移之間的關系，全面揭示了柴油發電機組的運動規律，利用分段線性化的方法解決了柴油發電機組的非線性問題。Thermal stress control system actually gather the real - time data of unit sets ， compute temperature fields ， stress fields and maximum dangerous stress by the math modal ， decide target and speedup rotation in every stage of startup process ， and justify automatically to realize auto control a serial of processes of turbine ， such as speedup ， warm - up ， connecting net ， load changing ， stop and unsteady condition etc ， and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
熱應力控制系統實際是對機組運行參數進行實時採集與監控，通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈，以及最危險熱應力，以確定啟動過程各階段的目標轉數及升速率，並進行自動調整，實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制，大大提高了機組的自動化水平。Genetic algorithm is used to optimize the parameters of pid controller that is used to control the plant lon ( local operating network ) is designed to control vav air - conditioning system. by this means the static pressure control and minimum total supply air volume control are experimented. the paper analyzes the coupling among loops, the whole system ' s stability and energy saving effect under the two control methods
針對目前變風量空調系統的模型都是用機理建模方法建立的情況，本論文用最小二乘法對機組部分進行系統辨識，建立了水閥?送風溫度、變頻風機?靜壓兩個迴路的模型，經驗證比較接近實際系統；採用遺傳演算法對pid控制器的參數進行尋優，尋優結果令人滿意；設計了變風量空調系統的lon控制網路，以此為實現手段，進行了定靜壓控制和最小總送風量控制，並在兩種控制方式下，分析了各個迴路的耦合情況、兩種控制方式的穩定性和節能效果。The main results of this paper are as follows : ( 1 ) the operation chart for individual and associated operation of new and old units, is plotted by using series of multiyears flows and the associated charts is advised to direct the reservoir operation. ( 2 ) on the basis of analysis on the characteristics of hydro - information observation system and flood forecasting system, some key problems in flood operation such as dispatching period of time, decision - making method and so on are studied. ( 3 ) the study and development of flood - dispatching simulation model
論文取得的研究成果如下： （ 1 ）採用長系列徑流資料，繪制了新老機組單獨運行和聯合運行調度圖，通過對比分析，建議採用聯合運行調度圖來指導水庫運行； （ 2 ）在對石泉水庫水情測報系統和洪水預報系統的特點進行分析的基礎上，研究了洪水調度中的幾個關鍵問題，如調度時段、決策方法等； （ 3 ）洪水調度模擬模型研究與開發。In china, feedwater control system of most power plants can not be in automation at full range, especial during low load after synchronization
在國內，有相當一部分機組給水控制系統不能投入全程自動，尤其在並網后低負荷階段。This experiment adopts the theory of similarity as theory foundation, adopts arq number as criteria of similarity, designs and makes physical model according that geometric scale is, selects experiment instrument and setting
標準機組段分層空調模型試驗以相似理論為理論基礎，採用熱量阿基米德數arq作為該試驗的相似準則。按照的幾何比例尺以及其他制約條件設計並製作其物理模型，同時完成測試儀器選配和測試輔助裝置的建立。To determine the simulation range for getting the correct result, this paper deals with the influence of simulation range on dynamical character of supporting structure from the aspects of fem and structural dynamics basing on the practical project ; and points out the problems that existed in the normal simulation method and the reasonable simulation range
為了確定合理的模擬范圍，根據工程實例，針對機組段之間分縫的壩后式廠房，分別從有限元計算和結構動力學推導兩個方面分析了模擬范圍對機組支承結構動力特性的計算結果的影響，指出常規模擬方式存在的問題和合理的結構模型應包括的范圍。Second, according to the concrete condition, argues the application feasibility. in terms of the result of air - condition loading calculation, this technique can save energy more than 25 %, get many airflow parameter combinatorial in the same time, and provide important independence
對標準機組段空調負荷核算與氣流組織設計計算結果表明，夏季採用分層空調技術至少可望節能25 % ，同時獲得了眾多可能滿足分層空調需求的氣流組織參數組合，為后續模型試驗提供了重要的技術依據。分享友人