負荷需要量 的英文怎麼說
中文拼音 [fùhéxūyāoliáng]
負荷需要量
英文
load demand- 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
- 需 : Ⅰ動詞(需要) need; want; require Ⅱ名詞1. (需用的東西) necessaries; needs 2. (姓氏) a surname
- 要 : 要動詞1. (求) demand; ask2. (強迫; 威脅) force; coerceⅡ名詞(姓氏) a surname
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 負荷 : [電學] load; charge; weight
- 需要量 : amount of needs
- 需要 : 1. (應該有或必須有) need; want; require; demand; do with 2. (對事物的慾望或要求) needs
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Boiler is the heat equipment in common use best of all, which can supply qualified steam for the requirement of steam quantity adapting to burthen
鍋爐是最常用的熱工設備,其要求是供給合格的蒸汽,使鍋爐產汽量適應負荷的需要。Multiple electric circuits may be employed to provide incremental control to meet load requirements.
為了適應負荷增加需要,可採用復接電路提供增量控制。In consideration of multitype risk in the operation of insurance companies, this paper studies some important variables in insurance business and then comes to the conclusion that the surplus process is related to safe load and individual claim amount distribution when the preliminary reserve is zero while the surplus process is related to adjustment coefficient when the preliminary reserve is beyond zero
摘要考慮到保險公司同時經營多種不同質風險的情況,本文從保險業務中需要研究的幾個重要變量出發,研究了初始準備金為零時,盈餘過程與安全負荷及個體索賠額分佈有關;當初始準備金大於零時,盈餘過程與調節系數相關等情形。Heart failure gratified the function is not complete, it is to show the case that has circumfluence of blood of right amount vein falls, because the heart is long - term bear is overweight or heart myapathies caustic makes force of cardiac muscle systole drops, heart cannot enough blood satisfies eduction constituent metabolization need so that all round constituent perfusion inadequacy and pulmonary circulation or blood of systematic circulation yu, a series of clinical symptoms that appear thereby and body are asked for, say for heart failure
心力衰竭又稱心功能不全,是指有適量靜脈血迴流的情況下,由於心臟長期負荷過重或心肌病損使心肌收縮力下降,心臟不能排出足夠血液滿足組織代謝需要以至於四周組織灌注不足和肺循環或體循環瘀血,從而出現的一系列臨床癥狀和體征,稱之為心力衰竭。Because traffic flow greatly increases in recent years and the rank of actual driving load enhances, causing this bridge to be at the excess load the service condition, so in order to guarantee the bridge ' s transport security, the main body structure of the bridge should be reinforced
摘要長沙市八一路跨線橋由於近年來交通流量大增,實際行車荷載等級提高,使得該橋處于超負荷的營運狀態,為了保證大橋營運安全,需要對此橋的主體結構進行加固,在選擇加固方案時對比了三種加固方法:鋼混凝土組合結構加固方法、混凝土結構擴大截面加固方法、粘鋼加固方法。The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures
電力部門通常在實際中,需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量,需要對電力網路各點的諧波電壓、電流實際水平進行測試,然後對測試數據進行人工分析統計,並以此採取相應措施降低或減少諧波對電網的危害。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手,研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系,分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時,工況轉換不能滿足系統控制要求的缺陷;比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性,並得出了在一次泵水系統的工況轉換時,採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。Loss of load cost, energy not severed, net loss and loss of load duration, are considered when deciding which load should be curtailed
最終需要停運負荷點時,切負荷策略綜合考慮了停電損失費用、停電電量、網損和停電時間因素。Should the lower end of the range of volumes actually occur then the need and capacity of the approach roads would have to be reviewed
假若出現較低的交通量,則須就引路的需要和負荷量作出檢討。The most effective way to do so is to analyze the special indoor environment of swimming pools, calculate the proper volume of moisture migration and ventilation, and check carefully the heating / cooling loads. good air currents organization could also be essentially necessary
指出要解決好游泳池內表面防結露問題,首先需要從設計出發,分析游泳池的室內特殊環境,計算游泳池散濕量、通風量、冷熱負荷,合理進行氣流組織設計。In the mode using constant rate water pump, pumps are put to run atfull capacity in all operation cycles, with no means for water flow rateregulation attached, incurring significant waste of electric power
高位水箱造價較高,並且需要增加樓房的設計強度,增加了投資成本。恆速泵打水總是滿負荷運轉,不能根據用水量的多少調整泵流量,因此浪費電能。Our country begins to change the structure of energy source greatly, to increase the proportion of clean energy in townsman and industry step by step. at the same time, as both the gas supply unit and the gas using unit must obey the agreement “ take or pay ”, it ’ s needed to know the gas load effectively
但在城市燃氣化的同時,由於天然氣的氣源供應部門與下游用氣單位之間通常需要簽訂「照付不議」協議,這就需要用氣單位或城市明確提出未來某個時間段的燃氣用量即燃氣負荷。If workload continues to increase, requiring increased effort, the relative improvement in performance declines
隨著工作負荷的進一步加大,需要更多的精力投入,這時,管制工作質量卻呈現下降趨勢。There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control , decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象,它們中有些還是具有強非線性特性的對象或多變量耦合系統,採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段,則需要建立被控對象的數學模型,而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。The problem of energy saving of water systems in the operating condition of part load is studied. the aim is to get a more reasonable control method. using this method, the supplied flux of chilled water can meet the needed flux of the building during the operating times of part load, the on / off condition of pumps and chiller can be decided reasonably and it has the advantage of saving energy in pumps and chiller
本論文主要研究空調水系統在部分負荷下輸送的節能問題,其目的在於尋求一種較合理的控制方法,使冷水機組和水泵在空調部分負荷下運行時,輸送的冷量與實際建築物所需冷量相匹配,以決定水泵和冷水機組的啟停,最大限度地節約水泵輸送能耗及冷水機組的製冷能耗。Qiandaohu lake was very famous for its clean water quality. but in recent years the water body has become seriously eutrophic especially during summer months in some areas of the lake and came to the attention of national, provincial and city environment protection agency. the main objective of this study involved the following : sampling and monitoring water from the lake ; water quality assessment and biological assessment ; ascertain the limiting factors for phytoplankton growth ; fuzzy cluster analyse of water pollution of all sampling points ; predicting total phosphorus concentration in the lake by using static models ; setting up regression models and their application ; setting up an eco - dynamic model and its simulation
本研究根據1998 - 2000年連續監測數據,對千島湖進行了水質評價和生物評價;分析了千島湖水體富營養化的限制性因子;同時根據千島湖各個取樣點的污染狀況,對千島湖進行水環境質量區劃;利用前人的經驗統計模型預測了千島湖現有的磷濃度水平及治理所需要削減的污染物負荷量;並且組建了多個回歸統計模型,運用這些模型預測千島湖水體中的總磷濃度;最後根據多年水質、底質、生物等方面的監測數據以及千島湖流域的氣象和社會經濟狀況的資料組建機理性的千島湖富營養化模擬模型。To co - ordinate with the management for conducting the sales power according to the manufacturing workload needs for the both satisfaction of the customers and the company
根據生產負荷需求與公司管理層協調合理調配銷售力量,同時滿足用戶與公司的要求。The scale, facility, setup mode and the topper application are increasing, but the network management system still adopts a centralizing structure based on manager / agent model. in the centralizing structure, the network management system can ’ t change with the scale and complexity, which made the system bigger and bigger. all management logic is computing in one workstation, that will occupy too many bandwidth, depress performance and made the workstation become the weakest part, if the workstation overrun or dead, agent can ’ t come back because it must wait manager ’ s command
目前,我國電信網路正處于高速發展中,網路的規模越來越大,設備種類越來越多,組網方式越來越多樣化,應用越來越復雜,但是網路管理系統仍然普遍採用管理員/代理的集中式管理方法,在集中式網路管理模式中,網管系統不能隨著網路規模和復雜度的變化而變化,致使網管系統越來越龐大;網路管理邏輯全部集中在一個管理工作站中計算,需要佔用大量的帶寬來傳輸設備數據,有效性差,同時管理工作站是系統中最脆弱的部分,一旦管理方超負荷或死機,代理方因為必須等待管理方的指令而無法恢復系統,導致系統崩潰。According to the conclusions above, we can say that we should state a correct scale that the loads of both takes on when we design displacement ventilation and cooled ceiling system. this will ensure the air quality of the work zone ; increase cooling capacity ; reduce power lose of the ventilation system
因此,在進行置換通風與冷卻頂板混合系統設計時,需要確定一個兩者承擔負荷的合適比例值,以在保證工作區空氣品質的前提下,盡量提高工作區舒適性指標。分享友人