水電聯合系統 的英文怎麼說
中文拼音 [shuǐdiànliángěxìtǒng]
水電聯合系統
英文
hydraulic power pool- 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...
- 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...
- 聯 : Ⅰ動詞(聯結; 聯合) unite; join Ⅱ名詞(對聯) antithetical couplet
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 水電 : hydroelectricity; hydropower; water and electricity
- 聯合 : 1 (聯系使不分散;結合) unite; ally 2 (結合在一起) alliance; union; coalition 3 (共同) joint;...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。The study on the optimal cooperating operation of hydropower stations of shiquan and xihe river hydropower station adopts big system model of decomposition - coordination methodology, which is a qualitative model
本論文對石泉、喜河水電站的聯合優化調度採用大系統分解協調法模型,此模型屬確定性模型。The third generation of scada, based on the technology of distributing computer net and relation data base, could realize the large - scale internet connection, which is currently applied in data collection, surveillance control and processing control in the fields of electric power system, water supply system, petroleum and chemical industry etc. the fourth generation of scada would adopt the internet technology, object oriented technology, neural network as well as java technology as its main development tendency, aiming at enlarging the integration of scada and other systems, which could finally meet the needs of business management and integrated security economic circulation
現在的基於分散式計算機網路以及關系數據庫技術的能夠實現大范圍聯網的第三代scada系統被廣泛應用於電力系統、給水系統、石油、化工等領域的數據採集與監視控制以及過程式控制制等諸多領域。第四代scada系統的主要發展趨勢是採用internet技術、面向對象技術、神經網路技術以及java技術等技術,繼續擴大scada系統與其它系統的集成,綜合安全經濟運行以及商業化運營的需要。Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed
選用高效率水泵與電機聯接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇轉速隨發動機工況變化的自動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。This paper fully analyzed and discussed the progressive process of hydropower plant operation mode, the development process and trend of cscs ; simply introduced the regulations and demands of no operator on duty in hydropower plant ; analyzed all kinds of demand of cscs to implement no operator on duty ; in allusion to the running actualities of the operation management mode, analyzed the difficulties to implement no operator on duty in gehp ; put forward the reforming items for devices and equipment maintenance and demands of reforming of cscs to implement no operator on duty in gehp ; advanced a new concept and idea : " computer operator " and " computer operator director " ; and set up a new operation management mode - no operator on duty in gehp that is appropriate to three gorges cascade dispatch center ( tgcdc )
本文全面分析論述了水電廠運行值班方式進步的過程和計算機監控系統的發展及其趨勢;簡要介紹了水電廠無人值班的規定和要求;分析了實行無人值班對計算機監控系統的各項要求;針對運行值班方式的現狀,分析了二江電廠實現無人值班的難點;提出了實現無人值班需配套進行的設備改造項目和適應無人值班的設備維護管理模式;重點分析了二江電廠實現無人值班對計算機監控系統改造的要求,提出了「電腦值班員」和「電腦值長」的概念和思路。建立了二江電廠在三峽梯調聯合調度模式下的無人值班管理新模式。There must be a marine casualty happened every 4 days before 1984, the amount of marine casualty happened at this area corresponds to 1 / 7 amount of the whole changjiang " marine casualty, so mariners gave it a name as " mouth of tiger ". due to the specific geographical condition and the extremely representative vessel traffic management of changjiang yingongzhou channel section, many intelligent people began researching and practicing the vessel traffic management of this changjiang " s down - stream complicated channel section from 1980s, at dec 15th 1984 the authority at that time - changjiang yingongzhou channel section previously ; up to the last years of 1980s ministry management administration applied traffic control on changjiang yingongzhou channel section previously, up to the last years of 1980s ministry of communications assigned shanghai marine college, shanghai ship & shipping research institute and changjiang harbor superintendence administration to make feasibility demonstrate about modern vts of zhenjiang traffic control section ; in 1990 dasha radar station which is the first radar vts station with inner river was finished, groped a new way for applying modern radar traffic control of vessel traffic management ; in 1997 the vtms of changjiang " s down - stream from nanjing to liuhekou was completed with connecting net and came into operation formally, meanwhile the signals of dasha radar station were conveyed to vts center by light cable, and then united applying vessel traffic management upon the whole authorized area ; in jun 2001 jiangsu msa made changjiang yingongzhou channel section as the first experimental group of creating " civilized, safe, passable channel activity, updating dasha radar antenna and receive - transmitter building closed - circuit television monitor system, setting uo safety warning board, starting navigational route reformation, carrying out united construction
1984以前這里平均每四天就發生一起海損事故,事故數占整個長江的1 7 ,被行船人稱為「老虎口」 。長江尹公洲航段緣其極為特殊的地理區位條件和極具代表性的船舶交通管理,從上個世紀八十年代初就有識之士開始了這個長江下游最復雜航段的船舶交通管理探索和實踐。 1984年11月15日當時的長江航政管理局在長江尹公洲水域率先施行交通管制;到八十年代末交通部委託上海海運學院、上海船舶研究所和長江港監局聯合開展鎮江交通管制段建立現代化交管系統的可行性論證; 1990年大沙雷達站? ?內河第一座雷達交管站建成,摸索實施現代化雷達交管的船舶交通管理新途徑; 1997年長江下游南京至瀏河口船舶交通管理系統建成聯網投入正式運行,同時將大沙交管雷達信號通過光纜傳輸至交管中心,統一實施全轄區船舶交通管理; 2001年6月江蘇海事局將長江尹公洲航段作為第一批創建「文明平安暢通航段」活動試點航段,更新大沙雷達天線和收發機,著手閉路工業電視監控系統建設,設立安全警示牌,啟動航路改革,開展聯合「共建」 。In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually
為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵線法求解,對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解,這兩部分的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。Three schemes for this technology were given, including air - blown gasification, recycle gas - blown gasification and steam & recycle gas - blown gasification, which were computed and analyzed. due to different conversion ratio of coal and different temperature that gas enters into gas turbine, the different results were got and analyzed, such as gas heat value, gasification efficiency and generation efficiency
本文針對空氣氣化方案、再循環煤氣氣化方案以及水蒸汽+再循環煤氣氣化方案對煤部分氣化聯合循環發電系統進行計算分析,根據不同的碳轉化率以及煤氣進入燃氣輪機前不同的溫度,得出不同的煤氣熱值、氣化效率、發電效率等,並進行了分析,提出了適合不同目標工業應用的煤部分氣化方案。Combining with advanced science and technology such as modem computer network technology, database management system and modem communication technology etc, the reservoir dispatching automatization system has developed from the indispensable application system such as water inspecting system, flood forecasting system, reservoir dispatching and water information querying system etc into an integrated functioning system used for the dispatching of water power stations. using the management information system, database management system, geographic infonnation system, optimization technology, statistics etc. this paper with the project background of the three gorges cascade dispatching of reservoirs, bring forward the plan of dispatching automation system of three gorges cascade reservoirs. this project have been adopted in the three gorges project
本文應用信息管理系統、數據庫管理系統,地理信息系統、最優化技術、統計學等方面的理論和知識,以滿足三峽工程梯級水庫調度的需要為前提,提出了三峽工程梯級水庫調度自動化系統的方案結構,該方案已被三峽工程的建設所采納,同時,在水情遙測系統的通信組網方式上,本文提出的inmarsat - c與pstn聯合組網的通信方式,在我國水電站的水情測報系統中,首次在葛洲壩項目中成功地應用,並且該方式也將應用於三峽水庫調度自動化系統。Study of trade plan of allied systems aimed at power mark is a work of important application value
研究電力市場體制下的水火電聯合系統的日交易計劃問題具有重要的實際應用價值。As part of the nationa1 " 9 ' 5 " key project ( no. f 96 - a23 - 02 - 010 ) on instrumentation supported by the ministry of science & technology ministry this study took the behavior of soil - water - system dielectrics as a key point for further development and evaiuation of a new kind of standing wave ratio ( swr ) soil moistufe measuring system. a series of academic analysis and a lot of experiment research on swr4ased soil moisture sensor were catried out and presented in this paper. on the basis of the research, a new soil moisture sensof, which it is very suitab1e for field use, was developed
本文在國家科技部「九五」儀器儀表攻關項目的資助下(專題號: 96 - a23 - 02 - 010 ) ,以土壤介電特性為研究的鍥入點,對基於駐波率原理( standingwaveratio ? swr )的土壤水分快速測量方法做了系統的理論分析和深入的性能分析研究,為研究開發成功swr型土壤水分測量傳感器奠定了基礎,同時研製出與全球定位系統( gps )聯合使用的土壤水分空間分佈速測儀樣機。Two kinds of representative cc - repowering ( feed water heating repowering, full firing repowering ) are study in this paper. the concise performance expressions and typical data are analyzed for the combined cycle and for repowering the existed steam power station
本文針對兩種典型的聯合循環系統(排氣助燃型和給水加熱型)進行了研究,給出了這兩種聯合循環及其在用以增容改造已有的蒸汽輪機電廠時的性能簡明示式和典型數據。This essay, which researches into huaneng chongqing gas turbine power plant ( 108. 25mw ) as its object of study, carries out calculations on the variable rated performance of the steam - gas turbine combined operation, utilizing an integrated method of theoretic analytics and artificial neural net. a set of software system applicable to monitoring of plant performance has been developed based on the calculations, which is used to raise the efficiency of a combined cycle plant to achieve largest possible economic profit
本文以華能重慶燃機電廠( 108 . 25mw )為研究對象,應用理論分析和人工神經網路相結合方法,對蒸汽- -燃氣輪機聯合循環進行變工況性能計算,並以此為基礎開發出一套適用於工況監測的軟體系統,以提高聯合循環電站的營運水平,獲取最大經濟效益。Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details
本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。In order to assure the quality of power supply and pertinent service level, and then ensure the normal dealings between utility companies and customers in rated limits, it is indispensable to put a penalty or a premium due to the effect of a customer, which embodies the corporate responsibility for power quality
為保證供電質量和相關服務水平,確保系統與用戶在額定的范圍內正常交易,對用戶投入系統運行所產生的影響進行合理的獎懲,才能體現系統和用戶對電能質量狀況的共同責任,因此,就有必要對用戶及系統在公關聯接點所引起的電能質量污染問題進行責任的準確劃分。And then, this parallel connection operating optimization reconstruction project is put forward in variable speed pump of circulating water system, finally we found the optimization mathematic model and workout its optimization operation program
然後又結合某電廠循環水系統優化運行方式的改造,給出循環水系統變速泵並聯運行優化改造方案。通過建立變速泵並聯運行時的優化數學模型,並編制了相應的優化運行程序。Based on the actual background of jinhua electric power and the application level of business intelligence ( bi ) technology, the construction objective supplementary decision system of operational analysis in jinhua electric power is determined. the useful data acquired by etl tools will be concentrated in data warehouse or data markets. decision proposal will be made on electric equipments maintenance, reactive power control, electric line operational analysis, equipment defect prevention and control and electric power fault diagnosis by adopting dw, olap and dm technologies
針對金華電網運行生產的實際情況,結合當今業務智能技術( bi )的應用水平,金華電網運行分析輔助決策系統的建設目標是:在全局數據中心集中存儲和管理經過清洗、抽取后各種有用信息,並在數據集中的基礎上,採用數據倉庫( dw ) 、聯機事務分析( olap )和數據挖掘( dm )等技術對大量的數據和信息進行分析和挖掘,提出有益於電力設備檢修、電壓無功優化、線路運行分析、缺陷預控和故障診斷等的決策建議。This article recommends three kinds of criterion on judging whether the hydropower construction design or optimizing is reasonable, that is " schedule, quality and cost ", it describes mathematics mode and optimizing of concrete mechanization construction system and provides a new method of " combined management of schedule, quality and cost ", and founds the relations of distribute quotiety of the working procedure unit, quality unit, and cost. in the field of management, it indicates the localization of parlance " consumer is the god ", and advances the relations of previous and descend working procedure are the relations between consumer and user. their relations are new relations of serve mutually and create con dition for each other ' s
本文介紹了評價水電工程施工系統設計或優化合理與否的三種標準為進度、質量和成本,描述了大壩砼機械化施工系統的數學模型及優化,提出了「進度、質量、成本聯合管理」的新方法,建立了工序單元、質量單元和成本費用之間的分配系數關系,在管理方面,指出「用戶就是上帝」這種說法的局限性,提出了上道工序和下道工序之間的關系為顧客和用戶之間的關系,它們是互為對方服務,互為對方創造條件的新型關系的觀點和方法。According to the supply system composed by parallel connection water pump, many kinds of operation proposals in a single pump were put forward to provide the greatest possible flow on both sides of the demarcation point in the scope of the flux changes ; identified the system of pumps, electromotor, speed governor imitate method of characteristics curve of the power device and its rotating speed, efficiency, energy consumption calculation under different condition ; the analytical methods used for the operational plan for comprehensive evaluation of the economic and safety and optimal results
摘要針對由並聯水泵組成的供水系統,提出了在以單泵可能提供最大流量為分界點的兩側流量變化范圍內具有多種運行方案;確定了在不同工況下,該系統中水泵、電機、調速器特性曲線的擬合方法及其各動力裝置中轉速、效率、能耗的計算式;採用解析的方法對各種運行方案進行了經濟性和安全性綜合評價,並給出最優結果。First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears
主要針對中、大容量供水系統中,由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點,難以利用有效的解析式數學模型進行閉環控制,以及多臺水泵並聯運行時,水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題,提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。分享友人