負荷估計 的英文怎麼說
中文拼音 [fùhégūjì]
負荷估計
英文
load prediction- 負 : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
- 荷 : 荷名詞(蓮) lotus
- 估 : 估構詞成分。
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 負荷 : [電學] load; charge; weight
- 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
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This reduces the loading of chiller and minimises the power consumption of fresh air intake fan. it is estimated that the system can cut the electricity bill by $ 161, 000 per year
這可以減低製冷機的負荷以及鮮風風扇的電力消耗,估計這系統可令電費每年減少The model of evaluating precisions for atmospheric loading respond corrections
大氣負荷響應計算誤差估計模型This project makes some researches with emphasis on the mv / lv distribution power supply situation under the present load condition. some results such as the calculation of line load rate, theoretical line consumption rate and electric voltage decrease are acquired by the mathematical analysis, and thus the power supply capability is evaluated comprehensively. the same has been done to the lv power network
課題在系統搜集分析蘇州供電企業的背景資料,即企業概況、電力需求、輸電網、高壓配電網狀況基礎上,重點研究了當前負荷下的中低壓配電網供電情況,並通過數學分析得出線路的負載率的計算、理論線損率以及電壓降等各項運行指標,綜合評估得出其供電能力。The calculations introduced in this paper can also be used to estimate the values of energy consumption in each working procedure, and to provide the corresponding parameters for production line design and the thermal load parameters for making the right selection of equipment types
通過衡算可估算在生產過程中各工序的熱量消耗指標,也可為生產線的設備設計提供設計參數,以及為化工設備的選型提供熱負荷參數。As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir
本文調查了千島湖流域的自然資源和農業生產情況,研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律,利用annagnps模型估算流域農業非點源污染物輸入負荷,並在千島湖內設點采樣,對水質理化指標和浮游植物群落進行系統的研究,得出以下結論: 1989 2001年間的水環境常規監測資料統計分析表明,有毒物質和重金屬濃度長期在監測下限內, no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合類標準,但湖泊水庫特定項目tn和tp濃度分別為超類和類,呈嚴重超標狀況,湖區主要污染因子是將導致富營養化的物質tn和tp 。Cramer - lundberg model is changed into the form : in chapter 2, we will discuss two - sided bounds for the ruin probability ( u, c, t ) of the risk model in finite time [ 0, t ], where ( u, c, t ) is defined by we get an estimate :, when n > n where 0 < < 1
我們在該章中是在索賠額的分佈是gerv族( generalizedextendedregularlyvarying )並帶有安全負荷的條件下得到了一個關于中心化隨機和s 、 ( , )的大偏差的估計:對于任意固定的y > 0與6 > 0 , / , , 。Through a real air condition cold load calculation example of a villa, the paper provides a reference of air condition cold load per square meter in summer of guiyang
摘要對貴陽地區某別墅空調冷負荷進行詳細計算,計算結果可作為貴陽地區相似建築夏季空調冷負荷估算的參考值。The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential
Dms網路分析的基本軟體有:網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有:負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具,通過它可以了解和掌握當前的運行狀態,從而挖掘安全和經濟方面的巨大潛力。Secondly, based on the characteristic datum extracted from the datum of daily peak load, the probability model of the nature random part of power load is established ; the grey gm ( 1, 1 ) model is improved to forecast the basis part of power load ; after the relation model is established on the basis of the researching the relationship between the climate part of power load and climate factors, the probability model of the climate part of power load is established combined with the tentative probability model of temperature
然後,在日最大負荷數據中提取自然隨機分量的特徵數據,建立其概率模型並實現參數估計;改進灰色gm ( 1 , 1 )模型,完成年最大負荷中基礎負荷分量預測;研究氣候負荷與各氣候因素的關系,建立合理的氣候負荷與溫度關系模型,結合假設溫度概率模型,完成年最大負荷中氣候負荷分量的概率模型建立。The ball mill load - control apparatus adopted the assembly language and the c51 language to program and its concerned software was designed, including the data collection, the wave - percolation, the short - time average over - zero ratio, the estimation of the power chart and the average - period chart
磨機負荷控制儀軟體使用匯編和c51編程,本文進行了相關軟體的設計,包括數據採集、濾波、短時平均過零率、功率譜估計和平均周期圖等。As an essential component of dms, the system will supplement itself in the following aspect, short circuit current calculation, theoretical losing, voltage / reactive power optimize, state estimation, load forecast, etc
本軟體平臺是dms的重要組成部分,下一步將加入短路電流計算、理論線損計算、電壓無功優化、狀態估計、負荷預報等功能。Theoretical computation in the precision estimation of the change in gravity and displacements due to atmospheric loading
大氣負荷引起的重力與位移變化理論計算的精度估計The possibility of the atmospheric correction to the displacement measurements at the international gps service ( igs ) stations is discussed. in chapter 5, using the mathematic theory of statistics, the errors of the convolution technique, u
第六章:利用數理統計理論研究大氣負荷改正褶積系統的誤差及其傳播特性和使用功效,給出系統輸出的精度估計,提出系統的優化配置原則The math model built into the distribution reliability management system of daqing oil field power system is clear, and the relation among each factor is explicit. this dissertation resolves the questions, which the calculation speediness and the node capability, and breaks through the number limitation of load - points and lines, by making use of special model method and new - found calculation thought. so it is an object - oriented computer management system, and is also a signification attempt in research of distribution system reliability assessment
大慶油田電網可靠性管理系統所建立的數學模型清晰,各相關因素關系清楚,獨特的建模方法和全新的計算思路,突破了負荷節點數和線路條數的限制,解決了節點容量和運算速度等技術難題,是一個面向工程應用的計算機管理系統,是配電系統可靠性評估領域一個有意義的嘗試。The practical situations of system operations are considered in this paper. based on the enumeration of the cut sets for the load point interruption, load transition character, maintenance of devices, active failure mode and overload of transmission line are all discussed
該方法考慮了系統運行的實際情況,列舉引起負荷點停電事件割集,還考慮了負荷點供電的轉移特性,網路元件的計劃檢修和主動性故障使評估過程更加合理和有效。This thesis discussed the affection of all kinds of components contingency and the components " position in the line and other factors on the evaluation of load point reliability index. this thesis adopts a integrative method to deal with simple or complex distribution network with the system ' s practical operation characteristics and the results of the example reveal that it is feasible. the key to study the economics of power system reliability is outage costs
在定量評估負荷點或系統可靠性指標的研究中,本文較全面地分析了各元件故障和元件在線路中的位置以及計劃檢修、臨時停電、天氣因素、負荷轉移等因素對估算負荷點可靠性指標的影響;研究了現有的可靠性評估模型,結合城市電網的實際運行特點,採用一種綜合的方法估算輻射型電網的可靠性指標,算例結果表明它是有效可行的。If the bus and breaker ' s failure rate is n ' t included in account, the reliability indices will be better, and the result will be more optimistic. at the same time, the connection styles " affection on system reliability is analyzed. thirdly, a novel evaluation method based on dfs is studied
然後,提出了一種基於dfs的修正最小路演算法用於可靠性評估,採用dfs演算法求取從分支線首端到負荷點的最小路,然後根據系統的配置和實際運行方式,把非最小路上元件對負荷點可靠性指標的影響計入計算,從而計算系統可靠性指標。Based on the branch - current - based current method, this paper presented a three - phase state estimation method for distribution where the load current is considered as the state variable
在基於支路電流的三相配電網狀態估計的基礎上提出了以負荷電流為狀態變量的配電網的三相狀態估計方法。The relationship between the market clearing price and generation capacity adequacy is represented as a nonlinear function. based on the loads forecasted and the estimated maintenance schedules of generation companies, the market clearing price can be obtained
模擬了現貨市場電價與系統發電容量充裕度之間的函數關系,依據對其它發電公司檢修起始時間的概率估計和負荷預測結果,求得發電容量充裕度、進而現貨市場的電價。Water quality is an important issue for flood management study, in the thesis the estimation of non - point source pollution load and simulation are researched in consideration of water quality monitoring situation
洪水管理中的重要問題在於需要研究水質,論文結合目前我國水質監測現狀,比較深入地研究了非點源污染模擬與負荷估計問題。分享友人