power stability 中文意思是什麼

power stability 解釋
功率穩定性
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • stability : n. 1. 穩定,穩定性,穩度。2. (船等的)復原力。3. 鞏固;堅定,持久不變。
  1. Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit

    電力負荷預測是供電部門的重要工作之一,準確的負荷預測,可以經濟合理地安排電網內部發電機的啟停,保持電網運行的安全穩定性,減少不必要的旋轉儲備容量,合理安排機組檢修計劃,保證社會的正常生產和生活,有效地降低發電成本,提高經濟效益和社會效益。
  2. Technique of transmitting data via power line ( pl ) , a new technique developed in recent years , is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage , disadvantage and the current state of the power line carrier communication 。 the advantage , method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper , after introducing the principle of ssc , design of hardware and software of the system are been discussed 。 this system has been put into use , the result has proved its high stability and reliability

    本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀,擴頻技術在電力線載波通信應用的優點、方式和現狀,並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上,本文詳細地介紹了電力載波遠程抄表系統的具體實現,包括硬體模塊和管理軟體本系統已投入運行,具有較高的穩定性和可靠性。
  3. Compared the equity structure and corporate governance of listed company of our country with countries such as u. s. a, japan and germany, and by game theory, this dissertation analyzes the influence mechanism of equity structure to corporate governance of a listed company from following main respects : stimulation, restriction, take - over by other company, and competition of dealership. by theoretical research, it comes to that a comparatively centralized equity structure helps to perfect corporate governance ; for its fierce competition and stability of performance, we choose the data of the industry of wholesale and retail trade listed companies of our country to analyze the influence that equity structure made to corporate governance by regression analysis, and approve it by real case. by the theory and real example, we draw the conclusion that a mode of comparatively centralized equity and main power is controlled by fictitious persons is ideal, and correspond measures are put forth to advance the economic development of our country

    本文通過對我國、美國、日本利德國等發達國家的上市公司的股權結構利治理模式比較;通過採用博弈論等方法分析了上市公司股權結構對公司治理的激勵機制、監督機制、外部接管市場和代理權競爭四個方面的影響,從理論上得出相對集中的股權結構有利於完善公司治理結構:通過選取了我國競爭比較激烈、業績相對穩定的批發與零售行業的上市公司的數據、採用回歸分析的方法對不同性質和集中度的股權結構與公司業績的關系進行了實證分析,還進行了具體的案例分析,由理論利實證研究相結合得出股權結構相對集中的法人控股模式為一種理想模式,並提出了促使我國上市公司股權結構調整使治理結構合理化的相應建議。
  4. H robust controller for integrated models of a full vehicle suspension system and electrical power steering attains optimal handling stability and ride comfort and improves handling sensitivity and steering handiness

    在汽車主動懸架系統與電動助力轉向的集成控制模型中,設計的h _魯棒控制器使汽車在行駛過程中得到較好的行駛平順性與操縱穩定性,並且改善汽車行駛過程中靈敏性與輕便性。
  5. Secondly, the mixed h2 / h control is formulated as a game problem of incomplete information, a suboptimal 2x2 non - zero game model is constructed, where two channels are chose as players and h2 and h control are pure strategies, and an algorithm for mixed h2 / h control, which is based on the nash ' s bargaining theory, is derived to achieve the nash equilibrium point. finally, handling stability, ride comfort and steering handiness are related with vehicle suspension system and electrical power steering

    其次,基於對策論把h _ 2 h _混合控制問題抽象為兩個對局者信息不完全情況下的非零和博弈模型,在以次優范數值構造的2x2非零和博弈模型中把兩類通道作為參加博弈的兩方,以h _ 2和h _控制方案作為兩種純策略,基於納什談判解原理設計出求解h _ 2 h _混合控制問題納什均衡點的演算法。
  6. In this paper, 3d nonlinear finite element model is used to analyze the stability of side slope of baise hydraulic power plant ' s tail channel, and the result to be given for consulting

    本文主要應用三維非線性有限元對百色水電站尾水渠高邊坡進行靜、動力穩定性分析,並對結果進行分析,給出供工程設計的參考意見。
  7. But with wind power capacity enlarging constantly and stochastic and incontrollable wind energy, wind asynchronous generator " s frequent startup will take inverse impact to wind power system stability, which is one of the most important restricting factor on wind power " s large - scale development

    然而,隨著風電裝機容量的不斷擴大,風能的隨機性和不可控性,使得相對頻繁起動的風力異步發電機,對風電系統穩定性的影響也愈來愈大,成為制約風力發電規模發展的主要因素之一。
  8. Complete cubic octahedral crystal crystal shape, high strength and thermal stability. having wide cutting range. suitable for high - power saws and geological broach

    具有完整的立方八面體晶形,高強度和熱穩定性。在高沖擊條件下,具有較高的鋸切范圍。適用於大功率鋸切,優質鉆頭。
  9. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應,對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究,提供了可靠的理論根據,有重要的現實意義。
  10. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  11. The influence of pss on transient power system stability

    對電力系統暫態穩定的影響分析
  12. According to the results of the satiable modle test and trdimensional seepage computation, the structure arrangement of the cushion bottom could be asserted. to recheck the factors of safety against overturning and float flotation of cushion bottom, the stability computation methods of bottom of the literature, xiao wan hydraulic power station and ertan hydraulic power station were refereed

    根據穩定模型試驗及三維滲流計算成果,確定水墊塘底板的結構布置,參考國內小灣、二灘及參考文獻建議的底板穩定計算方法,復核水墊塘底板的抗傾、抗浮穩定。
  13. With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator

    提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法,這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息:系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。
  14. This actuator is used in the longitudinal control system of fighter t improve longitudinal control and stability, and is a power actuating unit of autopilot

    用於殲擊機縱向操縱系統,改善縱向操穩性能,也是自動駕駛儀的輸出執行部件。
  15. The backward - wave oscillator ( bwo ) is one of the promising devices that can produce high - power microwaves and is intensively investigated because of its merits such as compact structure, high efficiency and good stability

    相對論返波振蕩器是有發展前途的高功率微波源之一,具有電磁結構緊湊、效率高和運行穩定等特點,在國際上受到廣泛重視。
  16. In chapter three, a back / forward sweeps based on branch loss for power flow is presents, which is credited with simple program, good numerical value stability, small ems memory and rapid calculation

    第三章介紹了基於支路網損的配電網前推回推潮流演算法,該演算法編程簡單,數值穩定性好,佔用內存小,計算速度快,並且收斂性和收斂速度均優于牛頓法。
  17. The spiral bevel gear ( sbg ) is a critical component of machinery transmission, which not only transfers movement and power, changes transmission direction, but also features high carrying ability, good movement stability and so on. so it is widely used in lots of industrial equipment such as aviation, spaceflight, automobile, precision mechanism and petroleum drilling

    螺旋錐齒輪是重要的機械傳動元件,既傳遞運動和動力,又可改變傳動方向,而且具有承載能力高、運動平穩性好等優點,因而被廣泛應用於航空、航天、汽車、精密機械、石油鉆探等許多工業設備中。
  18. In this paper, the determination of principal dimensions, ship form and power, stability and load a 3 000 teu of panamax container ship are discussed. alternative design approaches are given

    摘要圍繞一艘3000teu巴拿馬型集裝箱船設計中提出的主尺度確定、船型和快速性、穩性和裝載等若干問題進行探討,給出了可供參考的解決問題的途逕。
  19. First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented

    建立了永磁電機和變流器的數學模型,針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制,通過變流器交-直-交的變換,將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電,通過pwm調治能使其輸出功率因數為一,並且該控制系統功率因數為可調,能在特殊情況下同電網交換一定的無功功率,並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬,取得了良好的模擬效果。在風力發電系統中,採用先進的最大功率俘獲演算法,能有效的從風中獲得最大的能量。
  20. The xerball is a unique and versatile total body training tool that helps develop muscular strength, endurance, power, stability and joint integrity

    Xerball活力健身球是一個獨特的全身鍛?工具,可助建立肌力,肌耐力,平衡力和關節間的連系。
分享友人