power system computation 中文意思是什麼

power system computation 解釋
電力系統計算
  • 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...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  • computation : n. 1. 計算,估算。2. 計演算法。3. 計算結果,得數。
  1. The paper presents a distribution analysis software platform which is developed combining computer graphical theory and oop ( object - oriented programming ). the platform includes three modules, the graphics module, the database module and the computation module. the graphical module can draw the key diagram of power system ; the database module can save, browse and edit the data of power systems ; the computation module can compute the power flow

    本文運用面向對象的程序設計方法結合計算機圖形學的知識,開發了一套可視化配電網分析軟體平臺,它包括用於繪制電力系統結線圖的圖形模塊、用於保存、瀏覽、修改電網數據信息的數據庫模塊和進行配電網潮流計算的計算模塊。
  2. Reactive optimal control of distribution system is based on power flow calculation. alternate iterating algorithm is proposed in this paper according to characters of reactive optimal control. the algorithm has advantages of fast computation speed, a few iterating times, high accuracy convergence and easy programming. it is an effect method applied to reactive optimal control

    其次,針對配電網無功優化控制對配電網潮流計算的要求,採用交替迭代演算法進行配電網的潮流計算,該演算法編程簡單、收斂性好、計算速度快,適合於配電網無功優化控制的調用。
  3. On the deep foundation that studies and understands thermaldynamic system of steam power plant, this text is to compare analytic theories and computation method constantly used at present on the economy of thermaldynamic system of steam power plant, calculate the influences on thermal economy with theory of equivalent enthalpy drop when high pressure heater is into stoppage, prove influences degree on thermal economy when the composition of heater stoppage is diffrent, define regenerator rate and offer theoretical direction for heater stoppage

    本文在對火力發電廠熱力系統深入學習、掌握的基礎上,對目前幾種常用的火力發電廠熱力系統經濟性分析理論和計算方法進行了比較,以等效焓降理論對高壓加熱器停運時熱經濟性的影響進行了計算,說明了高壓加熱器各種停運組合對熱經濟性的影響程度;提出了加熱器回熱率概念,從而為高壓加熱器切除提供了理論指導。
  4. And we use statistical computation and relativity analysis for the first time. so we make the conclusion that the simulation system obeys the power - law frequency - area distribution by improved 2 - d ca model. and by relativity analysis we know simulation sequences are long correlative

    通過改進的二維沙堆自動機模型的構建和模擬,本文得到了一系列模擬數據,並在此基礎之上,首次通過統計計算和相關性分析,得到如下結論: ( 1 )改進的二維沙堆自動機所模擬的系統在沙粒暴發頻率對暴發規模的關繫上服從負冪律分佈。
  5. This paper presents the general project design firstly, and then introduces the system hardware circuit design in detail which includes the choice of chips, the loop filter parameters computation and the design of the power amplifier ' s peripheral matching circuit

    在介紹了系統總體方案設計之後,本文詳細介紹了系統的硬體電路設計,包括晶元的選擇,環路濾波器參數的設計,以及功率放大器外圍匹配電路的設計。
  6. Abstract : the main functions of the type tjx monitor system of the electric power communication network are analysed in this paper, and the network construction scheme for the central station and the selection of the computation mode are also discussed

    文摘:分析了tjx型電力通信網監控系統的主要功能,討論了中心站集成的組網方案和計算模式的選擇。
  7. It is carried through the computation of voltage stabilization under the different operating modes by applying the electrical power design software of u. s. a. edsa corp. and psasp ( power synthesis analysis programme ), combining with the operating characteristic of sichuan power system

    本論文結合四川電網的運行特點,應用美國edsa公司的電力系統設計分析軟體包( electricalpowerdesignsoftware )和電科院開發的psasp (電力系統綜合分析程序)對四川電網的不同運行方式進行電壓穩定計算。
  8. A new viewpoint to observe the relation of bus voltage, bus current injection and branch current of the network considering branch mutual inductance has been provided in this paper. the process of building the z - matrix of a large - scale power network is set forth in particular in this paper. and the method is employed in the fault computation system successfully

    本文為了從演算法上提高故障計算的速度,在完全計及支路互感的前提下,利用節點注入電流與支路電流以及支路電流與節點電壓的關系,提出了一種能夠統一處理互感和無互感線路、快速形成大規模電網節點阻抗矩陣的新方法。
  9. 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。
  10. This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system

    本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法,從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器,並聯合兩種傳感器形成了電壓、電流的同步測量系統,實現了諧波分析、鑒相及有功、無功功率的計算,可對電能質量進行監控。
  11. Power system analysis and computation technology entered a new era with the help of the comprehensive power system simulation packages

    電力系統綜合模擬分析軟體的使用,使得電力系統分析和計算技術日新月異。
  12. Ann is a adaptive and non - linear dynamic system made from superposition of many simple components which we call neuron. the question for computation of d _ ( cmax ) belongs to incipient motion of sediment in essence, which is the same question with two different sides, because computation of critical condition ( including critical velocity critical shear stress critical power ) for a grain size under a bed - load condition is equal to computation of a grain size during incipient motion under the bed - load condition and the water flow condition given before. and computation of gross bed - load transport rate has great relationship with standard of incipient motion

    對于d _ ( cmax )的推求,在本質上還是泥沙的起動問題,因為尋求某種床沙條件下某級泥沙的起動條件(如起動流速、起動切應力、起動功率)和尋求某種水流和床沙條件下的起動粒徑是同一問題的兩個方面而已;而對于推移質總輸沙率推求也和泥沙起動問題中的起動標準選擇緊密相關。
  13. Cypress semiconductor solutions are at the heart of any system that is built to perform : consumer, computation, data communications, automotive, industrial, and solar power

    賽普拉斯公司總部位於美國矽谷,全球擁有4000多名員工,並於世界各主要城市設有銷售中心。
  14. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定
  15. Power flow method of a distribution system is the base and tool of reactive power optimization, whose convergence and computation speed is very important to the efficiency of optimization

    配電網潮流是配電網無功優化的基礎和工具,其計算速度和收斂性將直接影響優化的效果。
  16. Considering the properties of reactive power compensation, the paper synthetically analyses and compares the methods of sensitivity analyses, singularity analyses margins analyses and modal analyses, and draws a conclusion that the modal analyses based on sensitivity is more practical and effective for selecting the positions of compensation. the method has properties o f explicit concept, small computation and rapid processing, and is suitable for the selection of the positions of compensation in great scale power system

    考慮無功補償的特點,對靈敏度分析法、奇異值分析法、裕度分析法和模式分析法進行了綜合分析和比較,得出利用基於靈敏度的模式分析法選擇無功補償點時,結果更為實用有效,該方法物理概念清楚,計算量小,處理速度快,適合解算大規模的電力系統補償點的選擇問題。
  17. The reliability reserch of electric power system is a modern problem task which has large economic worth and great social meaning. this paper analyzes the important reliability conception, power flow computation, reliability computation of distribution network, sensitivity index computation of reliability

    論文首先對一些重要的配電系統可靠性概念以及潮流計算、配網可靠性計算、可靠性指標敏感度計算等與配電網的可靠性和經濟性密切相關的模型和計算方法進行了系統性的分析。
  18. In order to meet the needs of real time computation of electric power system state estimation, the estimation algorithm based on decomposing the measurement of voltage scope and power scope and the estimation algorithm based on the measurement transformation of the equivalent current are brought forward and deduced in this thesis. these two algorithms all can make the jacobian matrix a constant matrix and they are stimulated

    為了滿足電力系統狀態估計實時性的要求,本文首先提出並推導了可以使雅可比矩陣為常數陣的基於分解電壓測量量和功率測量量的估計演算法和基於等效電流測量變換的估計演算法,並對此進行了模擬。
  19. Although eigenvalue method is the traditional method for power system small signal stability analysis, its application is limited by the problem of large quantities of computation when analyzing bulk power systems

    傳統的電力系統小擾動穩定性分析法是特徵值法,但分析大規模電力系統時遇到的計算量過大問題限制了它的應用。
  20. This paper analyses model and control system of upfc and tcsc, and respectively completes interface with network, upfc using equivalent load decoupled algorithm and tcsc using compensation algorithm. by programming software, transient stability computation for power system containing facts devices can is realized. the correctness and effectiveness are proved using numerical example in the modified epri - 36 bus system

    本文詳細分析了facts元件中upfc 、 tcsc的模型和控制系統, upfc採用等效負荷解耦演算法, tcsc採用補償法分別實現了與電力網路的介面,通過編制相關程序,實現了混合系統中含upfc 、 tcsc的暫態穩定計算,並以修改過的epri - 36節點系統為例,驗證了該演算法的正確性和合理性。
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