有負荷速度 的英文怎麼說

中文拼音 [yǒufùhésùdù]
有負荷速度 英文
speed under load
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 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
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 負荷 : [電學] load; charge; weight
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  2. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比，略有改善; e30混合燃料的燃燒特性發生明顯的變化，最高爆發壓力下降，最大壓力升高率減小，最大燃燒放熱率增大，最高燃燒溫度下降，滯燃期延長。
  3. With the speed - raising of railway and the marketing of the management, the load that the electric locomotive burdens increased annually. in order to guarantee the security of the locomotive, the overhaul must be transited from preventive maintenance to state maintenance, which can accelerate the speed and the quality of the locomotive overhaul and reduce the overhaul cost. the most important achievement is that the overhaul can be performed automatically and digitally and can be effectively competent for the record management of the overhaul data

    隨著鐵路提速和運營生產的市場化，機車運行負荷逐年增加，為了有效保證機車的運行安全，機車檢修必須從定期維修向狀態維修轉變，以提高機車檢修的速度和質量，降低機車檢修成本，更重要實現檢修自動化、數字化，完成對機車檢修數據進行有效的記錄管理，建立機車關鍵設備的狀態參數數據庫，從而實現對機車狀態有效控制。
  4. On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads

    本文在充分調研的基礎上，認為目前採用的傳統的無功功率補償裝置存在響應速度慢、觸發時刻不合適、補償電容器上有殘壓、不能實行三相平衡補償、對電網產生污染、不能消除負荷本身產生的高次諧波等弊病。
  5. This paper introduce the features of a kind of electric heating atmospheric boiler which is of high efficiency on energy transferring, non - pollution, starting and stopping quickly, wider range of load adjusting, simple body structure, etc. in addition the paper introduce the design idea briefly

    電加熱鍋爐具有能量轉化效率高、零污染、起停速度快、負荷調節范圍大、本體結構簡單等特點，文章具體介紹了一種常壓熱水電鍋爐的設計。
  6. The artificial neural net ( ann ) way is universal regard as one of the most effective ways of stlf. in this paper, some research is developed for stlf using ann ways in several parts : the first part is about the arithmetic of ann based on bp model, namely the advanced of traditional bp arithmetic, one alterable step and scale bp arithmetic based on comparability of model and probability of accepting bp arithmetic is used to enhances a lot the convergence rate of learning process of bp network, but also avoid the stagnation problem to some extent. it indicates that the ann ' s efficiency and precision by the way can be ameliorated by the simulation of real data

    神經網路方法在短期預測中已經被公認為較有效的方法，本文針對神經網路用於電力系統短期負荷預測的幾個方面展開研究工作：第一部分研究一般用於負荷預測的神經網路bp模型的演算法，即對傳統的bp演算法的改進，將一種基於模式逼近度和接受概率的變步長快速bp演算法應用到短期負荷預測，模擬結果表明該方法有效的改善了bp演算法收斂速度慢以及容易陷入局部最小點的缺點，從而提高了神經網路用於負荷預測的效率和精度。
  7. Based on the discussions of the conventional and recent methods of short term load forecasting such as time series, multiple regression approaches and artificial intelligence technologies, this paper presents a hybrid short term forecasting model which combines the artificial neural network ( ann ) and genetic algorithm ( ga ). in order to improve the convergence speed and precision of the back - propagation ( bp ), a new improved algorithm - the adapted learning algorithm based on quasi - newton method is given

    本文首先分析比較了電力系統短期負荷預測的傳統方法時間序列法和回歸方法以及最近的專家系統和神經網路技術的優點和不足，然後針對人工神經網路bp演算法的不足對其進行了改進，採用了基於擬牛頓的自適應演算法，它提高了網路學習效率，具有較快的收斂速度和較高的精度。接著提出了改進的遺傳演算法來改善神經網路的局部收斂性。
  8. In this paper, the mechanism and practical effect of existing coordinated control schemes are analyzed in detail, the advantage and drawback of the different coordinated control methods in practice are indicated clearly. this paper describes a fact that it is difficult to obtain rapid load response and stable main parameters at the same time by using the recent methods, underlines that heat release is the vital parameter that should be carefully controlled

    本篇在吸取了目前各種協調控制系統的優點的基礎上，提出了改進后的協調控制方案，主旨為以控制鍋爐的熱量釋放信號為核心，採用具有內在穩定特性的控制方案，充分加快機組的負荷響應速度，在機組所帶負荷已經接近當時的極限，及時限制輸出功率的增長，達到穩定機組的目的。
  9. Furthermore, it was acquired that the parameters of gecko gait ( such as gait period, stride length, duty factor ) and the angle curve of each leg according to the actual motion of them from the recorded datas which was processed and analyzed by computer programme. finally, it is concluded as the following : the angle variation of legs can be repeated during the motion ; in accord with each surface, it is varied that the gecko gait such as the period in which each leg is landed in surface, the sequence in which each leg was whether lift in advance or not during the motion. the motion speed of gecko is changed by adjusting the duty factors of each leg on the same surface

    通過對實驗結果的分析比較，得出:運動過程中各腿腿部角度的變化過程具有明顯的規律性;不同表面上壁虎各腿的支撐狀態（各腿的支撐時間及抬、落腿的先後順序）各不相同;相同的表面上，壁虎的爬行速度的變化主要是通過調整各腿的負荷因數而實現的;相同的表面上，壁虎以不同的速度運動時，其步態（各腿抬、落腿的先後順序）是相同的。
  10. Tests demonstrate that the using particle swarm optimization algorithm to optimize load distribution has the advantages of simpleness, fast speed and high degree of convergence, which can be generalized as a new method of rolling load distribution of tandem cold mill

    實驗證明，粒子群演算法在軋制負荷分配計算中，具有演算法實現簡便、運算速度快、收斂性好等優點，可以作為一種冷連軋軋制負荷分配的新方法加以推廣。
  11. To expedite the exploitation of hydroelectric resources of huanghe upstream meets the request of western development, and is significant to the strategically overall arrangement of realizing the optimization deployment of resource and transporting clean energy to the east but, for a long time, in the electric market, the supply - and - demand analysis and the science - oriented, reliable forecast of electric network load is absent. in the developing gradation, the support of theory about hydroelectric plants " developing gradation is absent. in the pattern of management and development, a theoretical system of developing, management is absent, such as the relation of the synthetically utilization of hydroelectric development and water resource and environment should be brought into the unified planning and managing system of the valley

    但是長期以來，在電力市場方面，缺乏科學、可靠的電網負荷需求預測及市場供需分析；在開發順序方面，缺乏水電站開發順序理論方法依據的支持，影響了開發的層次和速度；在開發管理模式方面，缺乏一套行之有效的開發、經營及管理的理論體系，比如水電開發與水資源綜合利用及與生態環境的關系等，都應納入流域統一規劃、統一管理的水電開發利用管理體系中。
  12. The results of study show that the transmitting speed of flame is slower and the combustion duration is longer than gasoline. the combustion status of lpg is improved, but the problem of long combustion duration also exists when speed and load are increased. it is useful to adjust ignition timing, but nox emission increase

    通過研究認識到： lpg燃燒時火焰傳播速度比汽油慢，燃燒持續期比汽油長；隨著轉速和負荷的增大， lpg燃燒狀況得到改善，但仍出現后燃期長，熱量利用不充分等問題；點火提前角的調整有利於lpg的燃燒，但使nox排放升高。
  13. 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。
  14. 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。
  15. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性；負荷指令的導前功能對鍋爐主控有超前控製作用，能顯著提高主蒸汽壓力的穩定性；採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內，提高鍋爐、汽輪機壽命及其效率；汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系，採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。
  16. The machine is characterize by good rigidity 、 high working accuracy easy in operation. it can be operated with high speed and heavy cutting load and is efficient in production

    本機床具有剛性好、強度大、精度高、操作方便、調整簡單等特點，能進行高速及重負荷切削，有很高的生產效率。
  17. One is constant impedance modeling, the other is complicated load modeling. based on the time domain simulation, the sensitivity of stability margin with respect to node active and reactive power for the system with complicated load modeling is derived

    結合時域模擬，本文提出了具有綜合負荷模擬的暫態過程中發電機加速面積、減速面積、減速功率（穩定裕度）對網路節點有功、無功及變壓器變比的靈敏度分析方法。
  18. Through the test of the separating sieve ' s and beams vibration acceleration, the dynamic bending moment, torque and shearing force as well as the analyze of each parameter by dividing rotation speed range from 300 r / min to 600 r / min of the main shaft, the change regularity of the vibration of the separating sieve, the vibration and the dynamic load on dangerous cross section with the change of rotation speed of the main shaft is obtained. research shows that there exits apparent relevance between the vibration as well as the dynamic load of the main beam and the vibration of the separating sieve. the vibration of the separating sieve mainly affects the composition of low frequency of the vibratio n of the main beam, appropriately amending the vibration acceleration of the separating sieve, the loading and vibration of the mam beam can be directly improved

    通過分檔測試主軸轉速在300 600r min范圍內分離篩與梁的振動加速度、梁所承受的動態彎矩、扭矩和剪力以及各參量的時頻域分析，得到了主軸轉速與分離篩振動、主梁的振動及其危險截面的動態載荷間的變化規律，研究表明梁的振動和其所承受的動載與分離篩的振動之間具有明顯的相關性，分離篩的振動主要影響梁振動的低頻成分，適度改善分離篩的振動加速度，可直接改善梁的負載和振動特性。
  19. As well, because of the development of national electric power industry, electric power supply is very enough, the popularize use of electrothermal boilers become possible the actual state of our country ' s electric power development makes the inactive standby capability of dynamos increased, ratio of electric power charge decreased, the difference of power transmission meshwork peak value and valley value become large

    同時由於我國電力工業的迅速發展，電力供應十分充足，為電熱鍋爐的推廣使用創造了有利條件。國內電力發展的現狀造成了機組停機備用容量明顯增加、負荷率下降、峰谷差拉大，給電網的調峰帶來了一定的難度。
  20. The main characters of the design are summarized as follow : 1. each mmdb module is mapped with a data buffer which is used to track the unsynchronized record. when system uploads the data to the mmdb, our system will adopt the round - robin fashion to distribute the data to each module, thus could effectively reduce the load of the foreground system

    針對上述難點採用以下方式對系統進行了優化，有效的保證系統的實時性和可靠性: 1 .數據上載時採用失步緩沖區和內存庫一一對應的關系，對每個內存數據庫數據定時循環上載，減少對單個數據庫的負荷，有效的控制上載流量和速度，防止在上載數據過程中系統負荷過大影響業務操作。
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