generation of variable 中文意思是什麼

generation of variable 解釋
變量產生
  • generation : n. 1. 代〈約30年〉，世代，時代；同時代的人。2. 一代[一世]。3. 生殖，生育；發生，產生。4. 【數學】（面、體、線的）形成。5. 完善化階段，完善化方案，完善化的模型；發展階段。
  • of : OF ＝Old French 古法語。
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. Speed mode control of variable - speed constant - frequency wind energy generation system with double fed induction generator

    變速恆頻雙饋風力發電系統的速度模式控制
  2. Thus, objective of this project is to improve the functionality and efficiency, and mitigate the drawbacks of a variable speed generation system or asg ( adjustable speed generator ) in conjunction with a dfig ( double fed induction generator ), which is frequently named as variable - speed / constant frequency ( vscf ) generation system

    本文的研究目的是改進雙饋電機變速發電系統或變速驅動系統的的功能和效率，減輕系統缺陷所帶來的危害。雙饋電機變速發電系統通常又稱為變速恆頻發電系統（ vscf - variablespeedconstantfrequency ） 。
  3. In ciefcm, a tiny disturbance was added to filial generation group by using chaos variable and the disturbance amplitude was adjusted step by step, which greatly improves the colony diversity of immune evolution algorithm ( tea )

    該演算法把混沌變量加載于免疫演算法的變量群體中，利用混沌搜索的特點對群體進行微小擾動並逐步調整擾動幅度，明顯改善了免疫演算法的群體多樣性。
  4. A supplementary variable technique is used to obtain the steady - state function and the steady - state probability generation function of the number of customers in the system

    採用補充變量法，首先建立了系統穩態下的狀態轉移方程，通過求解得到了穩態下系統隊長的概率母函數，進而計算出穩態下系統的平均隊長。
  5. The paper has done all - around study on the ac excited of variable - speed constant - frequency ( vscf ) wind power generation. the author has done thorough study on the vscf wind power generation technology using wound - rotor doubly - fed induction generator, from simulation to experiment, from theory to practice. he also did at large theory analysis to the vscf wind power generation technology using cascaded brushless doubly - fed generator, and has established stability theoretical foundation for continue study work

    本文對交流勵磁變速恆頻風力發電領域的關鍵技術進行了較為全面的從模擬到實驗、從理論到實踐的深入研究，同時對具有廣泛潛在應用前景的級聯式無刷雙饋發電機變速恆頻風力發電技術也進行了洋盡地理論分析，為今後進一步的深入研究奠定了一定的理論基礎。
  6. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  7. The result was used to adjust relative humidity and to enhance the ability of mm5 mesoscale modeling system to produce accurate forecast of precipitation. we define the air condition includes 5 kinds : the clear sky, semitransparent or fractional cloud, high cloud and low cloud and middle cloud. in this process, we present the method development for the generation of cloud based on gms - 5 images. mm5 ( fifth - generation perm. state / near mesoscale model ) output will be extensively used for the off - line computation of dynamic changeable mutispectral thresholds in order to adapt to variable weather using statistical regressive relations produced by optimal regressive analysis

    基於常規地面觀測資料，將天空狀況分為晴空、半透明雲或碎雲、高雲、中雲和低雲5種情況，用最優回歸分析法對mm5模式的三維要素場和常規地面觀測資料進行統計分析，得出雲判別和雲分類的衛星雲圖多譜閾值的統計關系統計回歸判別方程，對衛星雲圖進行雲判別和雲分類，據此得出mm5中尺度數值模式初始場各點的雲分佈，並對模式初始場的相對濕度進行調整，以達到改善中尺度數值預報模式預報結果的目的。
  8. With the booming of the third generation mobile telecommunication, the variable rate speech coding technology, which is the core of it, has been widely studied during recent years

    隨著第三代移動通信系統的迅猛發展，作為其話音業務的核心技術，變速率語音編碼技術在近年來得到了廣泛的研究。
  9. As an advanced power generation and adjusting speed technology of a. c motor, a. c excited machines ( acem ) can be applied in power generation using a variable - speed constant - frequency scheme to produce electricity, in a pumped - storage hydraulic power plants, and in high rate variable speed drive fields

    交流勵磁技術是一種先進的交流電機發電及調速技術，可用於變速恆頻發電、抽水蓄能電站和大容量調速場合，能實現電機有功功率、無功功率的獨立調節和功率因數控制。
  10. The traffic model and a suit of differential equations presenting the status of the system are given first, from which an objective function is derived, and then the transmission is optimally controlled by the neural network which is characterized by nonlinear map and the particle swarm optimization algorithm which is characterized by stochastic optimization, namely the neural network is employed to generate variable rate of token generation, and the particle swarm optimization algorithm with inertia weight is employed to optimally train neural network in the form of finding a sub - optimal resolution in acceptable computation time

    本文給出了傳輸控制的系統模型及其系統各狀態的差分方程表示，由此推導出了系統的代價函數。然後利用神經網路的非線性映射的功能和基於概率尋優的粒子群優化演算法對系統進行優化控制，利用神經網路控制令牌桶的可變令牌產生速率，利用帶慣性權重的粒子群優化演算法對神經網路的權值進行優化訓練，使其在可以接受的時間內達到次優解。
  11. The disc - type permanent - magnet synchronous generator, with compact structure, so good ventilation, large moment of inertia and high efficiency, has gained renewed attention in the direct - drive variable - speed wind turbine applications in recent years for its features and favorable reliability. in this paper, based on the traditional wind power generation technology, the direct - drive variable - speed wind generation technology is mainly researched. a comprehensive research on the disc - type permanent - magnet synchronous generator used in the direct - drive variable - speed constant - frequency wind power generation

    本文在傳統風力發電技術的基礎上，致力於研究直驅式風力發電技術，以作為直驅式風力發電機用的盤式永磁同步發電機為主要研究對象，進行了深入的研究，主要包括以下幾方面: 1 、對國內外風力發電研究現狀作了較為全面的綜述，介紹了盤式永磁同步發電機的發展概況和國內外研究現狀。
  12. With the continuous enlargement in capacity of a wind - power generator, the efficiency improvement of electric power generation had been become more and more important. the variable - speed constant - frequency ( vscf ) power generation, which is served to reach maximum wind - energy capturing and utilization for a variable blade - pitch wind - turbine, is the studying hot - spot of the wind - power generation technique at present

    隨著風力機組單機容量的不斷增大，提高發電效率已是風力發電研究的重要內容。採用變槳距風力機實現最大風能捕獲和利用的變速恆頻發電已成為當前風電技術的研究熱點。
  13. Today, mw wind generators substitute 600kw generators gradually and become the popular units of international market of wind power generation. the trends of units are variable speed constant frequency and large - scale and pitch control. there are many different generators which are variable speed constant frequency generator. in this paper the unit is fully - fed magnet wind turbine generator. the magnet wind turbine generator grid - connected inverter is the key component of connected system. the main function of this component is inverting the dc to three - level volage and connecting the electric net

    實現變速恆頻發電的方法眾多，本文研究的是較常用的一種方案。該方案採用直驅永磁風力發電機通過變頻器直接連接到電網。永磁風力發電機並網逆變器是並網發電系統的核心部分，其主要功能是將經過整流、斬波升壓后的直流電逆變成三相交流電，並送入電網，實現並網。
  14. Abstract : development of technology on oxy - coal injection into blast furance is introduced ， and the equipment selection on oxygen generator for blast furnace and the process flow of variable pressure absorbing oxygen generation equipment are studied

    文摘:介紹了高爐富氧噴吹技術的發展，探討了高爐專用制氧機的選型以及變壓吸附制氧設備的工藝流程
  15. Variable - speed constant - frequency ( vscf ) operation is a new high efficient technology for power generation, which has a good future in the field of wind power generating

    變速恆頻發電技術是一種新型高效的發電技術，在風力發電領域有著良好的應用前景。
  16. The wind power generation technology also become research hotspot of many country ’ s scholar. and the direct - drive variable - speed constant - frequency ( vscf ) generation technology is paid attention to more and more for its high efficiency and practicability

    它具有結構緊湊、通風效果好、轉動慣量大和高效率等的特點，比較適用於直驅式的變速恆頻的風力發電系統中。
  17. Combined with the advantages of matrix converter, ac - excited generation technique and vector control scheme, the stator flux - oriented vector control model of the variable - speed constant - frequency ( vs cf ) ac - excited generator fed by a matrix converter was developed. simulation studies of the proposed power generation system were carried out

    本文還結合了矩陣式變換器、交流勵磁發電技術和矢量控制的優點，建立了矩陣式變換器供電的變速恆頻交流勵磁風力發電機定子磁場定向的矢量變換控制系統模型，對矩陣式變換器在交流勵磁發電系統中應用進行了模擬研究。
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