load efficiency 中文意思是什麼

load efficiency 解釋
負載效率
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  1. In the process of arithmetic design, newton " method is used to compute power flow of network. graph theory knowledge is used to determine all paths from generator to load. to improve efficiency, thesis use branch expunction method to optimize the node order

    在演算法設計過程中,採用牛頓拉夫遜法進行潮流計算得到系統潮流分佈,利用圖論原理中的路徑搜索演算法確定了發電機對負荷的供電路徑,此外為了提高潮流跟蹤的計算效率,利用了支路消去法進行節點順序的優化。
  2. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  3. Products examination with traditional method exist the following questions : long measure cycle, heavy work load, low efficiency. in order to make the agricultural products processing machines can reach the performance and requirement that the country stipulates before producing in enormous quantities and putting on market, this article adopts data acquisition technology and plc control technology to research and design the performance examination system about agricultural products processing machines in foundation the require live and systematic technical indicator

    針對目前我國農產品加工設備品種繁多、規格復雜,產品鑒定採用傳統方法檢測周期長、工作量大、效率低的現狀,為了使農產品加工機械在大批量生產和投放市場之前達到國家規定的性能指標和要求,本文根據現場要求和系統技術指標,採用數據採集技術和plc控制技術研究和設計了農產品加工機械性能檢測系統。
  4. Based on developed experimental testing facility, the shading performances of southing horizontal shading devices, vertical shading devices and integrative shading devices of external windows are measured, the performance parameters including indoor temperature, air - conditioned cooling load and shading coefficient as so on. and the shading coefficient of experimental test results and calculation results based on design standard for building energy efficiency are compared, and the windows5. 2 simulation results are compared also. the measured results are consistent with the calculation results of horizontal shading devices and vertical shading devices

    本文利用研製的建築遮陽性能檢測裝置,對南向水平遮陽板、垂直遮陽板和綜合遮陽板外窗的遮陽性能(包括室內溫度、空調耗冷量和遮陽系數等)進行了實驗測試,並對遮陽系數的實驗測試結果與節能設計標準的計算值以及windows5 . 2軟體的模擬結果進行了比較分析,測試結果表明水平遮陽板和垂直遮陽板外窗的遮陽系數與計算結果比較一致,相對誤差分別為2 . 5 %和4 % ,而綜合遮陽板外窗的遮陽系數與計算結果的差值比較大,相對誤差達到10 %以上。
  5. However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution

    採用相應調制方式的ic品種繁多,各有千秋。但pwm在輕載時效率較低,而pfm由於頻譜分佈隨機,不利於后續濾波器的設計。
  6. Combining multilevel scheme, spectral bisection method, kl / fm refinement, as well as multi - partitioning refinement strategy, the computing method is characterized by high efficiency, flexibility, and simplicity because it both maintains load balancing and minimizes the complexity of communication among processors

    演算法結合了多層次思想和譜分區方法、 kl fm精化演算法和多分區調整策略等技術,以保持負載平衡和減小處理器之間的通信復雜度為目標,具有高效、靈活、簡便等特點。
  7. To the zvt - pwm soft - switching converter, not only the resonant parameters but the input and output voltage and the load can affect the converter efficiency. a detailed research of a typical zvt - pwm buck converter is done in this paper

    對zvt - pwmbuck變換器而言,除了諧振參數對工作效率有很大的影響外,變換器輸入輸出電壓和所帶負載對工作效率都有影響。
  8. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  9. The utilization of the basic principle of colour can raise the researching efficiency of colourful cocoon silk and reduce work load

    利用色彩三要素理論可以大大提高家蠶彩色繭絲的研究效率,減少工作量。
  10. This paper applies ldap to email user authentication and management, which improve the efficiency and security of the email system. with linux virtual server, this paper implements load balance based on layer - 4 switch, and puts forward a new request dispatching algorithm and its implementation

    應用linux虛擬服務器實現了基於第四層交換的郵件系統的負載均衡,在此基礎上,提出並實現了最大穩定剩餘連接優先的請求分配演算法,並且進行了性能分析。
  11. A crowded car with a load near a preset value will bypass hall calls in order to maintain maximum operation efficiency

    如轎內擠滿乘客,或負載接近預定值,為保持最大運行效率,該轎將自動越過召喚層站。
  12. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起,有效地降低了電路的開關損耗和開關噪聲,為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時,能拓寬零電壓開關的范圍,使變換器在較寬的負載變化范圍內都能實現軟開關。
  13. In the last, the modern control theory and simulink in matlab have been integrated together, and it has been applied in active control of the platform structure elastically supported ; a mechanical model and an equation of motion in state space have been established. based on coc, dynamic response of the platform structure elastically supported has been studied under simple harmonic load ; the influence of different values of weight function to the active control efficiency of the structure has also been discussed

    本文還將現代控制理論與matlab的simulink動態模擬軟體包相結合,將其應用於彈性支承平臺結構的主動控制中;建立了彈性支承平臺結構主動控制理論的力學模型和狀態空間內的運動方程;應用經典線性最優控制演算法對彈性支承平臺結構在簡諧荷載作用下的動力響應進行閉環控制;分別從理論和數值計算兩個方面討論了狀態權函數矩陣q和控制權函數矩陣r的不同取值對控制效果的影響。
  14. The burners of 220 t / h boiler in henan shenhuolv power plant were retrofitted by using the pulverized coal burners with stabilized - firing cavity and cutting down the distance between up - primary air and down - primary air etc. technologies, thus the boiler was successfully converted from originally designed burning high calorific value coal to low calorific value coal, the boiler could operate stably at 50 % load without oil - firing aid and the thermal efficiency of boiler reached 89 %

    摘要採用穩燃腔煤粉燃燒器並集中布置上、下一次風等技術對河南神火鋁電廠220t / h鍋爐燃燒器進行改造,成功地將該爐原設計燃用優質煤改燃為普通煤,並取得了改造后50 %負荷可無油穩定運行,鍋爐熱效率達到89 %的良好效果。
  15. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時降壓節能運行的原理,對幾種提高效率的方案進行了比較,確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法,應用matlab軟體對系統進行模擬,在基於tms320f240dsp的通用型變頻器上編制了實用化的程序,形成了完整的樣機,對其進行了測試,並給出了試驗結果。
  16. In this thesis, load flow algorithm for radial distribution networks is also discussed. a new alternate iterating algorithm is adopted which shows its efficiency in distribution reliability evaluation. a new algorithm of double - - layer tree structure to simplify the complex distribution network is proposed, which is used in fmea to improve the efficiency of distribution reliability evaluation

    根據實際配電網的運行情況,建立了分析其可靠性的統計和預測指標;討論了適用於配電網可靠性分析的潮流計算方法;提出了雙層樹結構的配電網路簡化方法,並應用於故障模式後果分析法中,提高了應用故障模式後果分析法分析配電網可靠性的效率。
  17. Dynamic measurement includes dynamic balance, power efficiency and servo load. the servo load is highly influenced by static lead lag angle

    動態測量包括動態平衡,功效和舵機載荷。舵機載荷對靜前沿滯角度后很敏感。
  18. However, it ca n ' t make sure the load balancing for each engine, which usually happened in the long - time business process in particular. as scheduler leads load unbalance, the multiengine adjusts it among many engines based on appropriate model tactics and information in real time, which improve the efficiency of large scale distributed businesses

    當多引擎間任務調度出現不平衡,導致某些節點負載過重或是某個節點出現故障時,多引擎能夠根據相應模型策略和實際的信息來動態調整各節點的負載,這樣可以在一定程度上解決有大量分散式事務處理時的性能問題。
  19. The system exhibits fast response for the load current disturbance and the system always operates at discontinuous conduction current mode so that no slope compensation is required and high efficiency will be achieved when driving 4 leds. the design and analysis of sub - block circuits are provide in the thesis where band gap reference, oscillator, current sensing and over current protection, led load current

    本文完成了各個單元電路的分析與設計,著重分析了帶隙基準源、振蕩器、采樣和過流保護、負載led電流控制和開負載保護五個子電路,對其餘子電路也作了簡要分析。
  20. The typical performance characteristics include : line and load transient response, efficiency, output voltage ripple, quiescent current, maximum load current, output voltage temperature characteristics and the short

    其中,整體模擬指標包括:晶元線性調整率和負載調整率、轉換效率、輸出電壓紋波、晶元靜態電流、最大負載電流、輸出電壓溫度特性及短路負載電流。
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