電站型機組 的英文怎麼說
中文拼音 [diànzhànxíngjīzǔ]
電站型機組
英文
utility type unit- 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...
- 站 : 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...
- 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(...
- 電站 : power station電站船 generating ship
- 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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Along with the a enhancing proportion of hydroelectricity in the whole electricity system in our country, the increase of the single unit capacity, the faults ratio of the large - scale hydropower units is more and more important to the whole system safe operation, if we do n ' t manage it well, it will cause the collapse of the whole system and bring a great loss of country ' s economy, hi addition, accompany with " to dispart plant and grid, connect to the grid according to the price " put into practice, how to control the production cost of the power plant has to be put into consideration
隨著我國水電在系統中所佔比重的增加及單機容量的增大,大型水電站和機組的故障率對系統的安全運行也越來越重要,如果處理不好,甚至會引起整個系統的崩潰,給國家帶來巨大的損失。另外,隨著我國「廠網分開,競價上網」的逐步實施,如何控制發電廠的生產成本,也將提上各個電廠的議事日程。As one kind of key equipment in piping work of large - scale turbo - generator set in power plant, the machine is especially applicable to various welding bevels, flat end and angle of outer & inner diameter of ascending pipe, elbow pipe, bend, flange and etc., which greatly meets demands in pipe processing of construction site and manufacturers
本機床是電站大型汽輪發電機組的管道施工的關鍵設備,對直管、彎管、彎頭、法蘭等管體的各種型式焊接坡口,端平面,內外徑過緩斜度及直口,能滿足施工現場和製造廠家對各種管件的加工要求。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」 。Building up the math - model of transient for the all hinge of riverbed power station with the kaplan turbine, building a simulation software for this kind of system and calculate the transient which take into account the effect of the ground swell on the riverbed. this program also can calculate the different kind of the kaplan turbine
針對轉槳機組河床逕流式電站的樞紐系統,建立了全樞紐過渡過程的計算模型,並且編制了相應的計算程序,進行了計及河床涌浪的全樞紐系統的過渡過程模擬計算,該程序能對同一樞紐中含有不同型號機組的電站同時進行過渡過程計算。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After many years of civil construction and facility renovation, shmp become a modern large enterprise with complete management organization, strong technical ability, sufficient manufacturing facility, advanced procedure, perfect testing method to finish design and manufacturing of heavy equipment for power industries, metallurgy and rolling industries, forging and pressing industries, minery and cement industries, water conservancy, and also high quality heavy casting and forging
我公司經過多年的基本建設和技術改造,現已成為一個組織管理機構健全,技術力量雄厚,加工設備齊全,工藝手段先進,測試方法完善,可以獨立設計、製造大型電站、冶煉、軋鋼、鍛壓、礦山、水泥建材設備和大型優質鑄鍛件的現代化大型企業。The guizhou xishui power station ' s 135mw set are regareded as a example, the paper sets up a electric system ' s dynamic maths model, exploits a control configuration software basely on dcs power station simulator, and designs a software of simulator ' s logic protect ( include electric logic ) and control
以貴州習水電廠135mw機組模擬機的開發為實例,本文建立了以電氣系統為對象的動態數學模型,開發了一個基於dcs電站模擬機的控制組態軟體,並應用該組態軟體設計了對象機組的邏輯保護(包括電氣邏輯)及控制部分的模擬軟體。Ganfa is amanufactory produces tubular turbine early in china. in the 80 s it developed successfully gz003 - wz - 100, 320kw s - type unit for the luoji power plant, located in hainan for the first time. in the 90 s it designed and made the first domestic bulb type unit : gzm - wp - 80, for the liaoning tieling power plant. afterwards it designed and made gd008 - wz - 225, 630kw and gd006 - wz - 290, 3. 5mw s - type unit respectively for the fujian shanghang jiaolong power plant and the guangdong fengkai power plant. and it designed and made gz1250a - wp - 460, 6mw bulb type unit for fujian shanghang jiaolong power plant
我公司是國內較早生產貫流式機組的廠家, 80年代首次為海南洛基水電站研製成功gz003 - wz - 100型320kw軸伸貫流式機組90年代為遼寧鐵嶺電站設計製造了國內首臺gdm - wlp - 80型燈泡整裝式機組隨後分別為福建上杭設計製造了gz1250a - wp - 460型6mw燈泡貫流式機組。Therefore, the stator ground fault protection plays an important role in the protection system of generator. at present, the large - sized hydro - generators, such as the generators in three gorges power station, require that the stator ground protection must be with very high sensitivity, so that it is beyond the capacity of available protection schemes
定子繞組單相接地保護是大型發電機繼電保護系統中十分重要的一項內容,而現有保護方案難以滿足目前大型水輪發電機(如三峽電站機組等)不斷提高的定子繞組單相接地保護靈敏度要求。Mainly, the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump. we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump, we also determine the number of running machines with machine ' s optimal combination. so we can reduce its energy consumption, and make it optimally and economically run
我國大部分大型電力排灌站所安裝的泵都為可調節葉片的軸流泵,這一有利條件使我們可以根據排灌站進、出口水位的變化來調節水泵的葉片角度,控制水泵的流量,併合理的確定開機臺數,通過機組間的優化組合,使整個泵站的能耗最少,達到整體最優、經濟運行的目的。Develop and manufacture large pumped storage units, large tubular turbine units, high - power super - critical thermal power unit, large air - cooled turbine generator, large cfb boilers, high - power nuclear steam turbine and generator, pressure shell of nuclear island, high - pressure evaporator and primary pump
開發生產大型抽水蓄能機組、大型貫流式機組、大功率超臨界火電機組、大型空冷汽輪發電機、大型循環硫化床鍋爐、大功率核電站汽輪機和發電機、核島設備壓力殼、高壓蒸發器和主泵等核電一級設備。Based on the establishment of the mathematical model of the water - level controlling system, the boundary control equation of the stable domain of the continuous system and discrete system are found respectively, and the characteristic of stable domain of the two systems is analysed
其目的是維持前池水位穩定,提高機組單位流量出力,最大限度利用來水,從而提高電站的經濟效益。在建立水位調節模式下調節系統數學模型基礎之上,對連續、離散系統進行了穩定分析。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。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。For simple program, extend easily and high performance but low cost, it will be widely used medium or small hydropower plants governor. it will enhance the automation level of hydropower plants governor
由於其編程簡單方便、擴展性強,同時兼有較高的性能價格比,可廣泛應用於中小型水輪發電機組的調速控制,對于提高我國中小型水電站自動化水平具有重要的實際意義。This paper addresses the principle of design model selection of main generator groups for offshore platforms based on the platform power station information provided by some engineering companies together with the design experiences gained by the author
文章根據有關平臺電站資料,結合筆者從事淺海油田設計經驗,介紹了海上平臺電站主發電機組設計選型原則。Based on the real machine test and the analysis on the prototype observation data from lijiaxia hydropower station, the structural vibration characteristics of the power house is analyzed through the comparison made between the results of the measurements on both the operation stability of the hydropower generating units and the vibration of the power house
摘要以李家峽水電站真機試驗為背景,在分析原型觀測數據的基礎上,通過機組運行穩定性測試結果與廠房振動測試結果的對比,得出了廠房結構振動的特有規律。Now the electrical power system is developing the big and gigantic scale dynamo on the base of saving the energy and reducing the wastage, but on the base of protecting environment, from now on the small and the middle water electric power will be developed, so the auto excitation regulator fit for the small electrical power has the great market potentialities
雖然目前電力系統從節能降耗的角度正積極發展大型機組、巨型機組,但從積極發展小型電站和增強環保意識的國策上看,今後小水電、中小型熱電廠將大量發展,因此對高性能的實用於小型機組的自動勵磁調節器具有巨大的市場潛力。139 synchromotors for the south - to - north water transfer and taihu harnessing project has been installed in jiangsu province technically, synchromotors are designed to have a service life of about 20 years while, according to statistics, most of the actual service life can not be as long as 20 years. to make matters worse, some of the synchromotors could only work for about 10 years and for those running a relatively a long time needed overhauling every year
同步電機的正常使用壽命(指線圈)應在20年以上,但據統計,各地大泵站同步電機運行壽命多在20年以下,有的僅10餘年;部分運行時間較長的大型泵站同步電機每年均需大修;有的泵站泵機組起動困難或無法起動。Though electric system is developing large - scale machine shop in the view of energy saving and reducing waste, small - scale hydraulic power plant and micromidi thermal - electric plant will largely develop because of the national policy of developing small - scale power plant and strengthening environmental protection idea. therefore, the high performance automatic excitation regulator which is applied in small - scale machine shop will have great market potential
雖然目前電力系統從節能降耗的角度正積極發展大型機組、巨型機組,但從積極發展小型電站和增強環保意識的國策上看,今後小水電、中小型熱電廠將大量發展,因此對高性能的實用於小型機組的自動勵磁調節器具有巨大的市場潛力。分享友人